Home / 12,887,565.86-17,768,331.24-10,555,868.54

Finding the Fourth Proportional to 12,887,565.86, 17,768,331.24 and 10,555,868.54

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Solution

The fourth proportional to 12,887,565.86, 17,768,331.24 and 10,555,868.54 is: 14,553,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,565.86 : 17,768,331.24 = 10,555,868.54 : x
  2. Step 2: Convert to fraction form
    12,887,565.86/17,768,331.24 = 10,555,868.54/x
  3. Step 3: Cross multiply
    12,887,565.86x = 17,768,331.24 × 10,555,868.54
  4. Step 4: Simplify right side
    12,887,565.86x = 187,560,168,744,615.16
  5. Step 5: Solve for x
    x = 187,560,168,744,615.16/12,887,565.86
  6. Step 6: Final answer
    x = 14,553,575.96

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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.