Home / 12,140,565.12-16,761,790.08-7,791,526.08

Finding the Fourth Proportional to 12,140,565.12, 16,761,790.08 and 7,791,526.08

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Solution

The fourth proportional to 12,140,565.12, 16,761,790.08 and 7,791,526.08 is: 10,757,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,565.12 : 16,761,790.08 = 7,791,526.08 : x
  2. Step 2: Convert to fraction form
    12,140,565.12/16,761,790.08 = 7,791,526.08/x
  3. Step 3: Cross multiply
    12,140,565.12x = 16,761,790.08 × 7,791,526.08
  4. Step 4: Simplify right side
    12,140,565.12x = 130,599,924,555,805.28
  5. Step 5: Solve for x
    x = 130,599,924,555,805.28/12,140,565.12
  6. Step 6: Final answer
    x = 10,757,318.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.