Home / 10,658,820.60-15,988,230.90-9,777,022.20

Finding the Fourth Proportional to 10,658,820.60, 15,988,230.90 and 9,777,022.20

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Solution

The fourth proportional to 10,658,820.60, 15,988,230.90 and 9,777,022.20 is: 14,665,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,820.60 : 15,988,230.90 = 9,777,022.20 : x
  2. Step 2: Convert to fraction form
    10,658,820.60/15,988,230.90 = 9,777,022.20/x
  3. Step 3: Cross multiply
    10,658,820.60x = 15,988,230.90 × 9,777,022.20
  4. Step 4: Simplify right side
    10,658,820.60x = 156,317,288,448,025.97
  5. Step 5: Solve for x
    x = 156,317,288,448,025.97/10,658,820.60
  6. Step 6: Final answer
    x = 14,665,533.30

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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.