Home / 15,057,986.40-22,586,979.60-12,790,504.80

Finding the Fourth Proportional to 15,057,986.40, 22,586,979.60 and 12,790,504.80

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Solution

The fourth proportional to 15,057,986.40, 22,586,979.60 and 12,790,504.80 is: 19,185,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,986.40 : 22,586,979.60 = 12,790,504.80 : x
  2. Step 2: Convert to fraction form
    15,057,986.40/22,586,979.60 = 12,790,504.80/x
  3. Step 3: Cross multiply
    15,057,986.40x = 22,586,979.60 × 12,790,504.80
  4. Step 4: Simplify right side
    15,057,986.40x = 288,898,870,991,302.12
  5. Step 5: Solve for x
    x = 288,898,870,991,302.12/15,057,986.40
  6. Step 6: Final answer
    x = 19,185,757.20

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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.