Home / 18,144,772.20-25,039,505.70-9,996,301.80

Finding the Fourth Proportional to 18,144,772.20, 25,039,505.70 and 9,996,301.80

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Solution

The fourth proportional to 18,144,772.20, 25,039,505.70 and 9,996,301.80 is: 13,794,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,772.20 : 25,039,505.70 = 9,996,301.80 : x
  2. Step 2: Convert to fraction form
    18,144,772.20/25,039,505.70 = 9,996,301.80/x
  3. Step 3: Cross multiply
    18,144,772.20x = 25,039,505.70 × 9,996,301.80
  4. Step 4: Simplify right side
    18,144,772.20x = 250,302,455,900,020.28
  5. Step 5: Solve for x
    x = 250,302,455,900,020.28/18,144,772.20
  6. Step 6: Final answer
    x = 13,794,742.26

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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.