Home / 18,584,580.60-27,876,870.90-12,127,572.45

Finding the Fourth Proportional to 18,584,580.60, 27,876,870.90 and 12,127,572.45

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Solution

The fourth proportional to 18,584,580.60, 27,876,870.90 and 12,127,572.45 is: 18,191,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584,580.60 : 27,876,870.90 = 12,127,572.45 : x
  2. Step 2: Convert to fraction form
    18,584,580.60/27,876,870.90 = 12,127,572.45/x
  3. Step 3: Cross multiply
    18,584,580.60x = 27,876,870.90 × 12,127,572.45
  4. Step 4: Simplify right side
    18,584,580.60x = 338,078,771,519,046.69
  5. Step 5: Solve for x
    x = 338,078,771,519,046.69/18,584,580.60
  6. Step 6: Final answer
    x = 18,191,358.68

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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.