Home / 13,176,595.38-18,195,049.53-8,289,962.58

Finding the Fourth Proportional to 13,176,595.38, 18,195,049.53 and 8,289,962.58

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Solution

The fourth proportional to 13,176,595.38, 18,195,049.53 and 8,289,962.58 is: 11,447,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,595.38 : 18,195,049.53 = 8,289,962.58 : x
  2. Step 2: Convert to fraction form
    13,176,595.38/18,195,049.53 = 8,289,962.58/x
  3. Step 3: Cross multiply
    13,176,595.38x = 18,195,049.53 × 8,289,962.58
  4. Step 4: Simplify right side
    13,176,595.38x = 150,836,279,744,946.59
  5. Step 5: Solve for x
    x = 150,836,279,744,946.59/13,176,595.38
  6. Step 6: Final answer
    x = 11,447,287.82

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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.