Home / 10,728,278.10-16,092,417.15-9,559,107.90

Finding the Fourth Proportional to 10,728,278.10, 16,092,417.15 and 9,559,107.90

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Solution

The fourth proportional to 10,728,278.10, 16,092,417.15 and 9,559,107.90 is: 14,338,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,278.10 : 16,092,417.15 = 9,559,107.90 : x
  2. Step 2: Convert to fraction form
    10,728,278.10/16,092,417.15 = 9,559,107.90/x
  3. Step 3: Cross multiply
    10,728,278.10x = 16,092,417.15 × 9,559,107.90
  4. Step 4: Simplify right side
    10,728,278.10x = 153,829,151,908,660.50
  5. Step 5: Solve for x
    x = 153,829,151,908,660.50/10,728,278.10
  6. Step 6: Final answer
    x = 14,338,661.85

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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.