Home / 12,672,565.38-17,488,484.09-7,166,763.56

Finding the Fourth Proportional to 12,672,565.38, 17,488,484.09 and 7,166,763.56

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Solution

The fourth proportional to 12,672,565.38, 17,488,484.09 and 7,166,763.56 is: 9,890,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,565.38 : 17,488,484.09 = 7,166,763.56 : x
  2. Step 2: Convert to fraction form
    12,672,565.38/17,488,484.09 = 7,166,763.56/x
  3. Step 3: Cross multiply
    12,672,565.38x = 17,488,484.09 × 7,166,763.56
  4. Step 4: Simplify right side
    12,672,565.38x = 125,335,830,495,851.75
  5. Step 5: Solve for x
    x = 125,335,830,495,851.75/12,672,565.38
  6. Step 6: Final answer
    x = 9,890,328.18

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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.