Home / 12,581,004.84-18,839,489.56-8,314,780.20

Finding the Fourth Proportional to 12,581,004.84, 18,839,489.56 and 8,314,780.20

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Solution

The fourth proportional to 12,581,004.84, 18,839,489.56 and 8,314,780.20 is: 12,451,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,004.84 : 18,839,489.56 = 8,314,780.20 : x
  2. Step 2: Convert to fraction form
    12,581,004.84/18,839,489.56 = 8,314,780.20/x
  3. Step 3: Cross multiply
    12,581,004.84x = 18,839,489.56 × 8,314,780.20
  4. Step 4: Simplify right side
    12,581,004.84x = 156,646,214,771,594.72
  5. Step 5: Solve for x
    x = 156,646,214,771,594.72/12,581,004.84
  6. Step 6: Final answer
    x = 12,451,009.82

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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.