Home / 18,001,780.47-24,842,519.78-9,741,840.68

Finding the Fourth Proportional to 18,001,780.47, 24,842,519.78 and 9,741,840.68

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Solution

The fourth proportional to 18,001,780.47, 24,842,519.78 and 9,741,840.68 is: 13,443,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001,780.47 : 24,842,519.78 = 9,741,840.68 : x
  2. Step 2: Convert to fraction form
    18,001,780.47/24,842,519.78 = 9,741,840.68/x
  3. Step 3: Cross multiply
    18,001,780.47x = 24,842,519.78 × 9,741,840.68
  4. Step 4: Simplify right side
    18,001,780.47x = 242,011,869,799,905.72
  5. Step 5: Solve for x
    x = 242,011,869,799,905.72/18,001,780.47
  6. Step 6: Final answer
    x = 13,443,774.09

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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.