Home / 15,937,869.30-21,992,563.76-8,968,425.38

Finding the Fourth Proportional to 15,937,869.30, 21,992,563.76 and 8,968,425.38

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Solution

The fourth proportional to 15,937,869.30, 21,992,563.76 and 8,968,425.38 is: 12,375,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937,869.30 : 21,992,563.76 = 8,968,425.38 : x
  2. Step 2: Convert to fraction form
    15,937,869.30/21,992,563.76 = 8,968,425.38/x
  3. Step 3: Cross multiply
    15,937,869.30x = 21,992,563.76 × 8,968,425.38
  4. Step 4: Simplify right side
    15,937,869.30x = 197,238,666,996,452.25
  5. Step 5: Solve for x
    x = 197,238,666,996,452.25/15,937,869.30
  6. Step 6: Final answer
    x = 12,375,472.74

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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.