Home / 18,679,070.91-25,778,273.03-10,306,399.75

Finding the Fourth Proportional to 18,679,070.91, 25,778,273.03 and 10,306,399.75

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Solution

The fourth proportional to 18,679,070.91, 25,778,273.03 and 10,306,399.75 is: 14,223,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,070.91 : 25,778,273.03 = 10,306,399.75 : x
  2. Step 2: Convert to fraction form
    18,679,070.91/25,778,273.03 = 10,306,399.75/x
  3. Step 3: Cross multiply
    18,679,070.91x = 25,778,273.03 × 10,306,399.75
  4. Step 4: Simplify right side
    18,679,070.91x = 265,681,186,837,471.38
  5. Step 5: Solve for x
    x = 265,681,186,837,471.38/18,679,070.91
  6. Step 6: Final answer
    x = 14,223,469.04

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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.