Home / 12,967,767.90-17,895,575.23-7,087,520.86

Finding the Fourth Proportional to 12,967,767.90, 17,895,575.23 and 7,087,520.86

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Solution

The fourth proportional to 12,967,767.90, 17,895,575.23 and 7,087,520.86 is: 9,780,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,767.90 : 17,895,575.23 = 7,087,520.86 : x
  2. Step 2: Convert to fraction form
    12,967,767.90/17,895,575.23 = 7,087,520.86/x
  3. Step 3: Cross multiply
    12,967,767.90x = 17,895,575.23 × 7,087,520.86
  4. Step 4: Simplify right side
    12,967,767.90x = 126,835,262,681,866.55
  5. Step 5: Solve for x
    x = 126,835,262,681,866.55/12,967,767.90
  6. Step 6: Final answer
    x = 9,780,809.13

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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.