Home / 18,176,430.40-27,264,645.60-12,436,867.60

Finding the Fourth Proportional to 18,176,430.40, 27,264,645.60 and 12,436,867.60

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Solution

The fourth proportional to 18,176,430.40, 27,264,645.60 and 12,436,867.60 is: 18,655,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176,430.40 : 27,264,645.60 = 12,436,867.60 : x
  2. Step 2: Convert to fraction form
    18,176,430.40/27,264,645.60 = 12,436,867.60/x
  3. Step 3: Cross multiply
    18,176,430.40x = 27,264,645.60 × 12,436,867.60
  4. Step 4: Simplify right side
    18,176,430.40x = 339,086,787,488,122.56
  5. Step 5: Solve for x
    x = 339,086,787,488,122.56/18,176,430.40
  6. Step 6: Final answer
    x = 18,655,301.40

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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.