Home / 18,572,385.84-27,857,829.78-9,474,283.86

Finding the Fourth Proportional to 18,572,385.84, 27,857,829.78 and 9,474,283.86

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Solution

The fourth proportional to 18,572,385.84, 27,857,829.78 and 9,474,283.86 is: 14,211,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572,385.84 : 27,857,829.78 = 9,474,283.86 : x
  2. Step 2: Convert to fraction form
    18,572,385.84/27,857,829.78 = 9,474,283.86/x
  3. Step 3: Cross multiply
    18,572,385.84x = 27,857,829.78 × 9,474,283.86
  4. Step 4: Simplify right side
    18,572,385.84x = 263,932,987,059,281.34
  5. Step 5: Solve for x
    x = 263,932,987,059,281.34/18,572,385.84
  6. Step 6: Final answer
    x = 14,211,043.71

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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.