Home / 18,222,780.25-25,147,961.63-10,074,543.13

Finding the Fourth Proportional to 18,222,780.25, 25,147,961.63 and 10,074,543.13

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Solution

The fourth proportional to 18,222,780.25, 25,147,961.63 and 10,074,543.13 is: 13,903,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,780.25 : 25,147,961.63 = 10,074,543.13 : x
  2. Step 2: Convert to fraction form
    18,222,780.25/25,147,961.63 = 10,074,543.13/x
  3. Step 3: Cross multiply
    18,222,780.25x = 25,147,961.63 × 10,074,543.13
  4. Step 4: Simplify right side
    18,222,780.25x = 253,354,224,073,020.12
  5. Step 5: Solve for x
    x = 253,354,224,073,020.12/18,222,780.25
  6. Step 6: Final answer
    x = 13,903,159.70

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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.