Home / 13,302,759.30-19,962,012.15-8,766,921.30

Finding the Fourth Proportional to 13,302,759.30, 19,962,012.15 and 8,766,921.30

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Solution

The fourth proportional to 13,302,759.30, 19,962,012.15 and 8,766,921.30 is: 13,155,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,759.30 : 19,962,012.15 = 8,766,921.30 : x
  2. Step 2: Convert to fraction form
    13,302,759.30/19,962,012.15 = 8,766,921.30/x
  3. Step 3: Cross multiply
    13,302,759.30x = 19,962,012.15 × 8,766,921.30
  4. Step 4: Simplify right side
    13,302,759.30x = 175,005,389,508,693.78
  5. Step 5: Solve for x
    x = 175,005,389,508,693.78/13,302,759.30
  6. Step 6: Final answer
    x = 13,155,570.63

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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.