Home / 11,988,891.20-17,936,097.60-10,409,002.40

Finding the Fourth Proportional to 11,988,891.20, 17,936,097.60 and 10,409,002.40

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Solution

The fourth proportional to 11,988,891.20, 17,936,097.60 and 10,409,002.40 is: 15,572,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,891.20 : 17,936,097.60 = 10,409,002.40 : x
  2. Step 2: Convert to fraction form
    11,988,891.20/17,936,097.60 = 10,409,002.40/x
  3. Step 3: Cross multiply
    11,988,891.20x = 17,936,097.60 × 10,409,002.40
  4. Step 4: Simplify right side
    11,988,891.20x = 186,696,882,965,034.25
  5. Step 5: Solve for x
    x = 186,696,882,965,034.25/11,988,891.20
  6. Step 6: Final answer
    x = 15,572,489.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.