Home / 42,703,986.11-64,042,731.08-15,406,730.33

Finding the Fourth Proportional to 42,703,986.11, 64,042,731.08 and 15,406,730.33

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Solution

The fourth proportional to 42,703,986.11, 64,042,731.08 and 15,406,730.33 is: 23,105,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703,986.11 : 64,042,731.08 = 15,406,730.33 : x
  2. Step 2: Convert to fraction form
    42,703,986.11/64,042,731.08 = 15,406,730.33/x
  3. Step 3: Cross multiply
    42,703,986.11x = 64,042,731.08 × 15,406,730.33
  4. Step 4: Simplify right side
    42,703,986.11x = 986,689,086,949,022.38
  5. Step 5: Solve for x
    x = 986,689,086,949,022.38/42,703,986.11
  6. Step 6: Final answer
    x = 23,105,315.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.