Home / 18,712,945.26-25,821,116.01-10,451,989.62

Finding the Fourth Proportional to 18,712,945.26, 25,821,116.01 and 10,451,989.62

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Solution

The fourth proportional to 18,712,945.26, 25,821,116.01 and 10,451,989.62 is: 14,422,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,945.26 : 25,821,116.01 = 10,451,989.62 : x
  2. Step 2: Convert to fraction form
    18,712,945.26/25,821,116.01 = 10,451,989.62/x
  3. Step 3: Cross multiply
    18,712,945.26x = 25,821,116.01 × 10,451,989.62
  4. Step 4: Simplify right side
    18,712,945.26x = 269,882,036,513,335.81
  5. Step 5: Solve for x
    x = 269,882,036,513,335.81/18,712,945.26
  6. Step 6: Final answer
    x = 14,422,210.55

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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.