Home / 18,721,460.92-25,833,778.86-10,571,124.28

Finding the Fourth Proportional to 18,721,460.92, 25,833,778.86 and 10,571,124.28

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Solution

The fourth proportional to 18,721,460.92, 25,833,778.86 and 10,571,124.28 is: 14,587,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,460.92 : 25,833,778.86 = 10,571,124.28 : x
  2. Step 2: Convert to fraction form
    18,721,460.92/25,833,778.86 = 10,571,124.28/x
  3. Step 3: Cross multiply
    18,721,460.92x = 25,833,778.86 × 10,571,124.28
  4. Step 4: Simplify right side
    18,721,460.92x = 273,092,086,951,096.69
  5. Step 5: Solve for x
    x = 273,092,086,951,096.69/18,721,460.92
  6. Step 6: Final answer
    x = 14,587,114.12

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1.5x scale

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.