Home / 28,189,200.08-38,906,549.62-18,382,618.96

Finding the Fourth Proportional to 28,189,200.08, 38,906,549.62 and 18,382,618.96

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Solution

The fourth proportional to 28,189,200.08, 38,906,549.62 and 18,382,618.96 is: 25,371,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,200.08 : 38,906,549.62 = 18,382,618.96 : x
  2. Step 2: Convert to fraction form
    28,189,200.08/38,906,549.62 = 18,382,618.96/x
  3. Step 3: Cross multiply
    28,189,200.08x = 38,906,549.62 × 18,382,618.96
  4. Step 4: Simplify right side
    28,189,200.08x = 715,204,276,712,792.75
  5. Step 5: Solve for x
    x = 715,204,276,712,792.75/28,189,200.08
  6. Step 6: Final answer
    x = 25,371,570.48

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Similar ratio
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1.5x scale

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.