Home / 15,530,117.80-23,295,176.70-12,790,244.20

Finding the Fourth Proportional to 15,530,117.80, 23,295,176.70 and 12,790,244.20

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Solution

The fourth proportional to 15,530,117.80, 23,295,176.70 and 12,790,244.20 is: 19,185,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530,117.80 : 23,295,176.70 = 12,790,244.20 : x
  2. Step 2: Convert to fraction form
    15,530,117.80/23,295,176.70 = 12,790,244.20/x
  3. Step 3: Cross multiply
    15,530,117.80x = 23,295,176.70 × 12,790,244.20
  4. Step 4: Simplify right side
    15,530,117.80x = 297,950,998,675,150.12
  5. Step 5: Solve for x
    x = 297,950,998,675,150.12/15,530,117.80
  6. Step 6: Final answer
    x = 19,185,366.30

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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.