Home / 9,419,565.60-14,129,478-2,687,978.40

Finding the Fourth Proportional to 9,419,565.60, 14,129,478 and 2,687,978.40

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Solution

The fourth proportional to 9,419,565.60, 14,129,478 and 2,687,978.40 is: 4,032,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,565.60 : 14,129,478 = 2,687,978.40 : x
  2. Step 2: Convert to fraction form
    9,419,565.60/14,129,478 = 2,687,978.40/x
  3. Step 3: Cross multiply
    9,419,565.60x = 14,129,478 × 2,687,978.40
  4. Step 4: Simplify right side
    9,419,565.60x = 37,979,731,667,275.20
  5. Step 5: Solve for x
    x = 37,979,731,667,275.20/9,419,565.60
  6. Step 6: Final answer
    x = 4,032,004.58

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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.