Home / 10,087,877.10-15,131,815.65-9,308,430.30

Finding the Fourth Proportional to 10,087,877.10, 15,131,815.65 and 9,308,430.30

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Solution

The fourth proportional to 10,087,877.10, 15,131,815.65 and 9,308,430.30 is: 13,962,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087,877.10 : 15,131,815.65 = 9,308,430.30 : x
  2. Step 2: Convert to fraction form
    10,087,877.10/15,131,815.65 = 9,308,430.30/x
  3. Step 3: Cross multiply
    10,087,877.10x = 15,131,815.65 × 9,308,430.30
  4. Step 4: Simplify right side
    10,087,877.10x = 140,853,451,290,474.22
  5. Step 5: Solve for x
    x = 140,853,451,290,474.22/10,087,877.10
  6. Step 6: Final answer
    x = 13,962,645.45

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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.