Home / 7,831,274.90-11,746,912.35-5,705,510.90

Finding the Fourth Proportional to 7,831,274.90, 11,746,912.35 and 5,705,510.90

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Solution

The fourth proportional to 7,831,274.90, 11,746,912.35 and 5,705,510.90 is: 8,558,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,274.90 : 11,746,912.35 = 5,705,510.90 : x
  2. Step 2: Convert to fraction form
    7,831,274.90/11,746,912.35 = 5,705,510.90/x
  3. Step 3: Cross multiply
    7,831,274.90x = 11,746,912.35 × 5,705,510.90
  4. Step 4: Simplify right side
    7,831,274.90x = 67,022,136,454,269.62
  5. Step 5: Solve for x
    x = 67,022,136,454,269.62/7,831,274.90
  6. Step 6: Final answer
    x = 8,558,266.35

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Double scale
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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.