Home / 19,790,475.40-29,681,565.90-9,700,337.80

Finding the Fourth Proportional to 19,790,475.40, 29,681,565.90 and 9,700,337.80

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Solution

The fourth proportional to 19,790,475.40, 29,681,565.90 and 9,700,337.80 is: 14,548,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790,475.40 : 29,681,565.90 = 9,700,337.80 : x
  2. Step 2: Convert to fraction form
    19,790,475.40/29,681,565.90 = 9,700,337.80/x
  3. Step 3: Cross multiply
    19,790,475.40x = 29,681,565.90 × 9,700,337.80
  4. Step 4: Simplify right side
    19,790,475.40x = 287,921,215,662,961
  5. Step 5: Solve for x
    x = 287,921,215,662,961/19,790,475.40
  6. Step 6: Final answer
    x = 14,548,473.94

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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.