Home / 20,644,387.13-28,491,068.03-11,353,592.87

Finding the Fourth Proportional to 20,644,387.13, 28,491,068.03 and 11,353,592.87

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Solution

The fourth proportional to 20,644,387.13, 28,491,068.03 and 11,353,592.87 is: 15,668,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,387.13 : 28,491,068.03 = 11,353,592.87 : x
  2. Step 2: Convert to fraction form
    20,644,387.13/28,491,068.03 = 11,353,592.87/x
  3. Step 3: Cross multiply
    20,644,387.13x = 28,491,068.03 × 11,353,592.87
  4. Step 4: Simplify right side
    20,644,387.13x = 323,475,986,844,092.94
  5. Step 5: Solve for x
    x = 323,475,986,844,092.94/20,644,387.13
  6. Step 6: Final answer
    x = 15,668,955.67

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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.