Home / 18,154,819.20-25,053,802.56-10,006,078.08

Finding the Fourth Proportional to 18,154,819.20, 25,053,802.56 and 10,006,078.08

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Solution

The fourth proportional to 18,154,819.20, 25,053,802.56 and 10,006,078.08 is: 13,808,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,819.20 : 25,053,802.56 = 10,006,078.08 : x
  2. Step 2: Convert to fraction form
    18,154,819.20/25,053,802.56 = 10,006,078.08/x
  3. Step 3: Cross multiply
    18,154,819.20x = 25,053,802.56 × 10,006,078.08
  4. Step 4: Simplify right side
    18,154,819.20x = 250,690,304,616,263.88
  5. Step 5: Solve for x
    x = 250,690,304,616,263.88/18,154,819.20
  6. Step 6: Final answer
    x = 13,808,471.56

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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.