Home / 7,831,253.60-11,746,880.40-7,299,812.60

Finding the Fourth Proportional to 7,831,253.60, 11,746,880.40 and 7,299,812.60

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Solution

The fourth proportional to 7,831,253.60, 11,746,880.40 and 7,299,812.60 is: 10,949,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,253.60 : 11,746,880.40 = 7,299,812.60 : x
  2. Step 2: Convert to fraction form
    7,831,253.60/11,746,880.40 = 7,299,812.60/x
  3. Step 3: Cross multiply
    7,831,253.60x = 11,746,880.40 × 7,299,812.60
  4. Step 4: Simplify right side
    7,831,253.60x = 85,750,025,554,613.03
  5. Step 5: Solve for x
    x = 85,750,025,554,613.03/7,831,253.60
  6. Step 6: Final answer
    x = 10,949,718.90

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Double scale
Find fourth proportional to 7,831,254.60, 11,746,881.90 and 7,299,813.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.