Home / 51,935,920-71,673,679.92-28,730,646.88

Finding the Fourth Proportional to 51,935,920, 71,673,679.92 and 28,730,646.88

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Solution

The fourth proportional to 51,935,920, 71,673,679.92 and 28,730,646.88 is: 39,649,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,935,920 : 71,673,679.92 = 28,730,646.88 : x
  2. Step 2: Convert to fraction form
    51,935,920/71,673,679.92 = 28,730,646.88/x
  3. Step 3: Cross multiply
    51,935,920x = 71,673,679.92 × 28,730,646.88
  4. Step 4: Simplify right side
    51,935,920x = 2,059,231,188,371,666.75
  5. Step 5: Solve for x
    x = 2,059,231,188,371,666.75/51,935,920
  6. Step 6: Final answer
    x = 39,649,460.11

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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.