Home / 15,862,807.68-21,890,813.04-8,619,463.68

Finding the Fourth Proportional to 15,862,807.68, 21,890,813.04 and 8,619,463.68

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Solution

The fourth proportional to 15,862,807.68, 21,890,813.04 and 8,619,463.68 is: 11,894,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,807.68 : 21,890,813.04 = 8,619,463.68 : x
  2. Step 2: Convert to fraction form
    15,862,807.68/21,890,813.04 = 8,619,463.68/x
  3. Step 3: Cross multiply
    15,862,807.68x = 21,890,813.04 × 8,619,463.68
  4. Step 4: Simplify right side
    15,862,807.68x = 188,687,067,923,950.38
  5. Step 5: Solve for x
    x = 188,687,067,923,950.38/15,862,807.68
  6. Step 6: Final answer
    x = 11,894,935.10

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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.