Home / 10,472,210.10-15,708,315.15-9,086,526.90

Finding the Fourth Proportional to 10,472,210.10, 15,708,315.15 and 9,086,526.90

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Solution

The fourth proportional to 10,472,210.10, 15,708,315.15 and 9,086,526.90 is: 13,629,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472,210.10 : 15,708,315.15 = 9,086,526.90 : x
  2. Step 2: Convert to fraction form
    10,472,210.10/15,708,315.15 = 9,086,526.90/x
  3. Step 3: Cross multiply
    10,472,210.10x = 15,708,315.15 × 9,086,526.90
  4. Step 4: Simplify right side
    10,472,210.10x = 142,734,028,164,152.53
  5. Step 5: Solve for x
    x = 142,734,028,164,152.53/10,472,210.10
  6. Step 6: Final answer
    x = 13,629,790.35

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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.