Home / 9,508,489.76-13,121,638.26-5,157,565.04

Finding the Fourth Proportional to 9,508,489.76, 13,121,638.26 and 5,157,565.04

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Solution

The fourth proportional to 9,508,489.76, 13,121,638.26 and 5,157,565.04 is: 7,117,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508,489.76 : 13,121,638.26 = 5,157,565.04 : x
  2. Step 2: Convert to fraction form
    9,508,489.76/13,121,638.26 = 5,157,565.04/x
  3. Step 3: Cross multiply
    9,508,489.76x = 13,121,638.26 × 5,157,565.04
  4. Step 4: Simplify right side
    9,508,489.76x = 67,675,702,757,302.43
  5. Step 5: Solve for x
    x = 67,675,702,757,302.43/9,508,489.76
  6. Step 6: Final answer
    x = 7,117,397.66

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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.