Home / 7,831,291.60-11,746,937.40-7,299,850.60

Finding the Fourth Proportional to 7,831,291.60, 11,746,937.40 and 7,299,850.60

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Solution

The fourth proportional to 7,831,291.60, 11,746,937.40 and 7,299,850.60 is: 10,949,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,291.60 : 11,746,937.40 = 7,299,850.60 : x
  2. Step 2: Convert to fraction form
    7,831,291.60/11,746,937.40 = 7,299,850.60/x
  3. Step 3: Cross multiply
    7,831,291.60x = 11,746,937.40 × 7,299,850.60
  4. Step 4: Simplify right side
    7,831,291.60x = 85,750,888,027,552.44
  5. Step 5: Solve for x
    x = 85,750,888,027,552.44/7,831,291.60
  6. Step 6: Final answer
    x = 10,949,775.90

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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.