Home / 15,766,412.33-21,753,935.64-9,571,302.90

Finding the Fourth Proportional to 15,766,412.33, 21,753,935.64 and 9,571,302.90

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Solution

The fourth proportional to 15,766,412.33, 21,753,935.64 and 9,571,302.90 is: 13,206,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,412.33 : 21,753,935.64 = 9,571,302.90 : x
  2. Step 2: Convert to fraction form
    15,766,412.33/21,753,935.64 = 9,571,302.90/x
  3. Step 3: Cross multiply
    15,766,412.33x = 21,753,935.64 × 9,571,302.90
  4. Step 4: Simplify right side
    15,766,412.33x = 208,213,507,277,545.38
  5. Step 5: Solve for x
    x = 208,213,507,277,545.38/15,766,412.33
  6. Step 6: Final answer
    x = 13,206,143.72

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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.