Home / 6,429,407.31-9,646,809.89-4,002,590.21

Finding the Fourth Proportional to 6,429,407.31, 9,646,809.89 and 4,002,590.21

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Solution

The fourth proportional to 6,429,407.31, 9,646,809.89 and 4,002,590.21 is: 6,005,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429,407.31 : 9,646,809.89 = 4,002,590.21 : x
  2. Step 2: Convert to fraction form
    6,429,407.31/9,646,809.89 = 4,002,590.21/x
  3. Step 3: Cross multiply
    6,429,407.31x = 9,646,809.89 × 4,002,590.21
  4. Step 4: Simplify right side
    6,429,407.31x = 38,612,226,755,198.18
  5. Step 5: Solve for x
    x = 38,612,226,755,198.18/6,429,407.31
  6. Step 6: Final answer
    x = 6,005,565.50

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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.