Home / 15,672,189.76-21,625,962.24-8,797,428.16

Finding the Fourth Proportional to 15,672,189.76, 21,625,962.24 and 8,797,428.16

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Solution

The fourth proportional to 15,672,189.76, 21,625,962.24 and 8,797,428.16 is: 12,139,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,189.76 : 21,625,962.24 = 8,797,428.16 : x
  2. Step 2: Convert to fraction form
    15,672,189.76/21,625,962.24 = 8,797,428.16/x
  3. Step 3: Cross multiply
    15,672,189.76x = 21,625,962.24 × 8,797,428.16
  4. Step 4: Simplify right side
    15,672,189.76x = 190,252,849,197,272.66
  5. Step 5: Solve for x
    x = 190,252,849,197,272.66/15,672,189.76
  6. Step 6: Final answer
    x = 12,139,519.24

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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.