Home / 7,146,542.12-9,862,282.34-3,883,374.43

Finding the Fourth Proportional to 7,146,542.12, 9,862,282.34 and 3,883,374.43

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Solution

The fourth proportional to 7,146,542.12, 9,862,282.34 and 3,883,374.43 is: 5,359,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,542.12 : 9,862,282.34 = 3,883,374.43 : x
  2. Step 2: Convert to fraction form
    7,146,542.12/9,862,282.34 = 3,883,374.43/x
  3. Step 3: Cross multiply
    7,146,542.12x = 9,862,282.34 × 3,883,374.43
  4. Step 4: Simplify right side
    7,146,542.12x = 38,298,935,031,086.64
  5. Step 5: Solve for x
    x = 38,298,935,031,086.64/7,146,542.12
  6. Step 6: Final answer
    x = 5,359,086.17

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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.