Home / 12,358,824.30-18,559,231.65-9,167,553.90

Finding the Fourth Proportional to 12,358,824.30, 18,559,231.65 and 9,167,553.90

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Solution

The fourth proportional to 12,358,824.30, 18,559,231.65 and 9,167,553.90 is: 13,766,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,824.30 : 18,559,231.65 = 9,167,553.90 : x
  2. Step 2: Convert to fraction form
    12,358,824.30/18,559,231.65 = 9,167,553.90/x
  3. Step 3: Cross multiply
    12,358,824.30x = 18,559,231.65 × 9,167,553.90
  4. Step 4: Simplify right side
    12,358,824.30x = 170,142,756,493,960.94
  5. Step 5: Solve for x
    x = 170,142,756,493,960.94/12,358,824.30
  6. Step 6: Final answer
    x = 13,766,904.71

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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.