Home / 9,530,781.75-13,152,565.05-5,179,878.27

Finding the Fourth Proportional to 9,530,781.75, 13,152,565.05 and 5,179,878.27

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Solution

The fourth proportional to 9,530,781.75, 13,152,565.05 and 5,179,878.27 is: 7,148,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530,781.75 : 13,152,565.05 = 5,179,878.27 : x
  2. Step 2: Convert to fraction form
    9,530,781.75/13,152,565.05 = 5,179,878.27/x
  3. Step 3: Cross multiply
    9,530,781.75x = 13,152,565.05 × 5,179,878.27
  4. Step 4: Simplify right side
    9,530,781.75x = 68,128,685,897,256.46
  5. Step 5: Solve for x
    x = 68,128,685,897,256.46/9,530,781.75
  6. Step 6: Final answer
    x = 7,148,278.88

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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.