Home / 13,206,123.20-19,809,184.80-9,096,312.80

Finding the Fourth Proportional to 13,206,123.20, 19,809,184.80 and 9,096,312.80

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Solution

The fourth proportional to 13,206,123.20, 19,809,184.80 and 9,096,312.80 is: 13,644,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,123.20 : 19,809,184.80 = 9,096,312.80 : x
  2. Step 2: Convert to fraction form
    13,206,123.20/19,809,184.80 = 9,096,312.80/x
  3. Step 3: Cross multiply
    13,206,123.20x = 19,809,184.80 × 9,096,312.80
  4. Step 4: Simplify right side
    13,206,123.20x = 180,190,541,253,805.47
  5. Step 5: Solve for x
    x = 180,190,541,253,805.47/13,206,123.20
  6. Step 6: Final answer
    x = 13,644,469.20

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1.5x scale

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.