Home / 6,712,897.20-9,268,378.20-5,161,429.68

Finding the Fourth Proportional to 6,712,897.20, 9,268,378.20 and 5,161,429.68

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Solution

The fourth proportional to 6,712,897.20, 9,268,378.20 and 5,161,429.68 is: 7,126,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712,897.20 : 9,268,378.20 = 5,161,429.68 : x
  2. Step 2: Convert to fraction form
    6,712,897.20/9,268,378.20 = 5,161,429.68/x
  3. Step 3: Cross multiply
    6,712,897.20x = 9,268,378.20 × 5,161,429.68
  4. Step 4: Simplify right side
    6,712,897.20x = 47,838,082,326,944.97
  5. Step 5: Solve for x
    x = 47,838,082,326,944.97/6,712,897.20
  6. Step 6: Final answer
    x = 7,126,294.49

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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.