Home / 15,057,992.40-22,586,988.60-12,790,510.80

Finding the Fourth Proportional to 15,057,992.40, 22,586,988.60 and 12,790,510.80

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Solution

The fourth proportional to 15,057,992.40, 22,586,988.60 and 12,790,510.80 is: 19,185,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,992.40 : 22,586,988.60 = 12,790,510.80 : x
  2. Step 2: Convert to fraction form
    15,057,992.40/22,586,988.60 = 12,790,510.80/x
  3. Step 3: Cross multiply
    15,057,992.40x = 22,586,988.60 × 12,790,510.80
  4. Step 4: Simplify right side
    15,057,992.40x = 288,899,121,627,776.94
  5. Step 5: Solve for x
    x = 288,899,121,627,776.94/15,057,992.40
  6. Step 6: Final answer
    x = 19,185,766.20

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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.