Home / 7,837,820.47-10,815,595.09-4,399,397.20

Finding the Fourth Proportional to 7,837,820.47, 10,815,595.09 and 4,399,397.20

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Solution

The fourth proportional to 7,837,820.47, 10,815,595.09 and 4,399,397.20 is: 6,070,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837,820.47 : 10,815,595.09 = 4,399,397.20 : x
  2. Step 2: Convert to fraction form
    7,837,820.47/10,815,595.09 = 4,399,397.20/x
  3. Step 3: Cross multiply
    7,837,820.47x = 10,815,595.09 × 4,399,397.20
  4. Step 4: Simplify right side
    7,837,820.47x = 47,582,098,755,279.75
  5. Step 5: Solve for x
    x = 47,582,098,755,279.75/7,837,820.47
  6. Step 6: Final answer
    x = 6,070,832.95

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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.