Home / 18,760,503.24-28,154,212.20-7,985,372.94

Finding the Fourth Proportional to 18,760,503.24, 28,154,212.20 and 7,985,372.94

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Solution

The fourth proportional to 18,760,503.24, 28,154,212.20 and 7,985,372.94 is: 11,983,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,503.24 : 28,154,212.20 = 7,985,372.94 : x
  2. Step 2: Convert to fraction form
    18,760,503.24/28,154,212.20 = 7,985,372.94/x
  3. Step 3: Cross multiply
    18,760,503.24x = 28,154,212.20 × 7,985,372.94
  4. Step 4: Simplify right side
    18,760,503.24x = 224,821,884,248,897.88
  5. Step 5: Solve for x
    x = 224,821,884,248,897.88/18,760,503.24
  6. Step 6: Final answer
    x = 11,983,787.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.