Home / 15,029,609.70-20,740,901.04-8,154,091.74

Finding the Fourth Proportional to 15,029,609.70, 20,740,901.04 and 8,154,091.74

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Solution

The fourth proportional to 15,029,609.70, 20,740,901.04 and 8,154,091.74 is: 11,252,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,609.70 : 20,740,901.04 = 8,154,091.74 : x
  2. Step 2: Convert to fraction form
    15,029,609.70/20,740,901.04 = 8,154,091.74/x
  3. Step 3: Cross multiply
    15,029,609.70x = 20,740,901.04 × 8,154,091.74
  4. Step 4: Simplify right side
    15,029,609.70x = 169,123,209,850,421.41
  5. Step 5: Solve for x
    x = 169,123,209,850,421.41/15,029,609.70
  6. Step 6: Final answer
    x = 11,252,668.11

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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.