Home / 7,161,041.76-9,882,498.42-3,897,698.76

Finding the Fourth Proportional to 7,161,041.76, 9,882,498.42 and 3,897,698.76

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Solution

The fourth proportional to 7,161,041.76, 9,882,498.42 and 3,897,698.76 is: 5,378,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,041.76 : 9,882,498.42 = 3,897,698.76 : x
  2. Step 2: Convert to fraction form
    7,161,041.76/9,882,498.42 = 3,897,698.76/x
  3. Step 3: Cross multiply
    7,161,041.76x = 9,882,498.42 × 3,897,698.76
  4. Step 4: Simplify right side
    7,161,041.76x = 38,519,001,837,335.95
  5. Step 5: Solve for x
    x = 38,519,001,837,335.95/7,161,041.76
  6. Step 6: Final answer
    x = 5,378,966.24

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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.