Home / 15,059,225.73-20,781,864.72-8,183,708.40

Finding the Fourth Proportional to 15,059,225.73, 20,781,864.72 and 8,183,708.40

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Solution

The fourth proportional to 15,059,225.73, 20,781,864.72 and 8,183,708.40 is: 11,293,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059,225.73 : 20,781,864.72 = 8,183,708.40 : x
  2. Step 2: Convert to fraction form
    15,059,225.73/20,781,864.72 = 8,183,708.40/x
  3. Step 3: Cross multiply
    15,059,225.73x = 20,781,864.72 × 8,183,708.40
  4. Step 4: Simplify right side
    15,059,225.73x = 170,072,720,876,727.66
  5. Step 5: Solve for x
    x = 170,072,720,876,727.66/15,059,225.73
  6. Step 6: Final answer
    x = 11,293,589.98

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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.