Home / 27,289,979.24-40,869,708.78-15,740,434.40

Finding the Fourth Proportional to 27,289,979.24, 40,869,708.78 and 15,740,434.40

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Solution

The fourth proportional to 27,289,979.24, 40,869,708.78 and 15,740,434.40 is: 23,573,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289,979.24 : 40,869,708.78 = 15,740,434.40 : x
  2. Step 2: Convert to fraction form
    27,289,979.24/40,869,708.78 = 15,740,434.40/x
  3. Step 3: Cross multiply
    27,289,979.24x = 40,869,708.78 × 15,740,434.40
  4. Step 4: Simplify right side
    27,289,979.24x = 643,306,969,998,694.12
  5. Step 5: Solve for x
    x = 643,306,969,998,694.12/27,289,979.24
  6. Step 6: Final answer
    x = 23,573,010.60

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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.