Home / 12,127,807.65-18,191,711.49-4,944,496.80

Finding the Fourth Proportional to 12,127,807.65, 18,191,711.49 and 4,944,496.80

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Solution

The fourth proportional to 12,127,807.65, 18,191,711.49 and 4,944,496.80 is: 7,416,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,807.65 : 18,191,711.49 = 4,944,496.80 : x
  2. Step 2: Convert to fraction form
    12,127,807.65/18,191,711.49 = 4,944,496.80/x
  3. Step 3: Cross multiply
    12,127,807.65x = 18,191,711.49 × 4,944,496.80
  4. Step 4: Simplify right side
    12,127,807.65x = 89,948,859,248,828.22
  5. Step 5: Solve for x
    x = 89,948,859,248,828.22/12,127,807.65
  6. Step 6: Final answer
    x = 7,416,745.21

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Similar ratio
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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.