Home / 28,068,810.72-38,738,319.84-17,057,359.68

Finding the Fourth Proportional to 28,068,810.72, 38,738,319.84 and 17,057,359.68

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Solution

The fourth proportional to 28,068,810.72, 38,738,319.84 and 17,057,359.68 is: 23,541,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068,810.72 : 38,738,319.84 = 17,057,359.68 : x
  2. Step 2: Convert to fraction form
    28,068,810.72/38,738,319.84 = 17,057,359.68/x
  3. Step 3: Cross multiply
    28,068,810.72x = 38,738,319.84 × 17,057,359.68
  4. Step 4: Simplify right side
    28,068,810.72x = 660,773,454,909,760.12
  5. Step 5: Solve for x
    x = 660,773,454,909,760.12/28,068,810.72
  6. Step 6: Final answer
    x = 23,541,198.86

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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.