Home / 20,380,818.24-28,125,806.28-11,088,499.30

Finding the Fourth Proportional to 20,380,818.24, 28,125,806.28 and 11,088,499.30

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Solution

The fourth proportional to 20,380,818.24, 28,125,806.28 and 11,088,499.30 is: 15,302,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380,818.24 : 28,125,806.28 = 11,088,499.30 : x
  2. Step 2: Convert to fraction form
    20,380,818.24/28,125,806.28 = 11,088,499.30/x
  3. Step 3: Cross multiply
    20,380,818.24x = 28,125,806.28 × 11,088,499.30
  4. Step 4: Simplify right side
    20,380,818.24x = 311,872,983,294,026.88
  5. Step 5: Solve for x
    x = 311,872,983,294,026.88/20,380,818.24
  6. Step 6: Final answer
    x = 15,302,279.80

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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.