Home / 15,781,647.54-23,679,291-8,486,580.78

Finding the Fourth Proportional to 15,781,647.54, 23,679,291 and 8,486,580.78

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Solution

The fourth proportional to 15,781,647.54, 23,679,291 and 8,486,580.78 is: 12,733,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,647.54 : 23,679,291 = 8,486,580.78 : x
  2. Step 2: Convert to fraction form
    15,781,647.54/23,679,291 = 8,486,580.78/x
  3. Step 3: Cross multiply
    15,781,647.54x = 23,679,291 × 8,486,580.78
  4. Step 4: Simplify right side
    15,781,647.54x = 200,956,215,884,626.97
  5. Step 5: Solve for x
    x = 200,956,215,884,626.97/15,781,647.54
  6. Step 6: Final answer
    x = 12,733,538.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.