Home / 28,082,191.38-38,750,668.29-15,856,686.42

Finding the Fourth Proportional to 28,082,191.38, 38,750,668.29 and 15,856,686.42

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Solution

The fourth proportional to 28,082,191.38, 38,750,668.29 and 15,856,686.42 is: 21,880,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,191.38 : 38,750,668.29 = 15,856,686.42 : x
  2. Step 2: Convert to fraction form
    28,082,191.38/38,750,668.29 = 15,856,686.42/x
  3. Step 3: Cross multiply
    28,082,191.38x = 38,750,668.29 × 15,856,686.42
  4. Step 4: Simplify right side
    28,082,191.38x = 614,457,195,639,967.62
  5. Step 5: Solve for x
    x = 614,457,195,639,967.62/28,082,191.38
  6. Step 6: Final answer
    x = 21,880,671.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.