Home / 27,259,740.80-40,889,611.20-9,987,908.30

Finding the Fourth Proportional to 27,259,740.80, 40,889,611.20 and 9,987,908.30

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Solution

The fourth proportional to 27,259,740.80, 40,889,611.20 and 9,987,908.30 is: 14,981,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,740.80 : 40,889,611.20 = 9,987,908.30 : x
  2. Step 2: Convert to fraction form
    27,259,740.80/40,889,611.20 = 9,987,908.30/x
  3. Step 3: Cross multiply
    27,259,740.80x = 40,889,611.20 × 9,987,908.30
  4. Step 4: Simplify right side
    27,259,740.80x = 408,401,687,088,253
  5. Step 5: Solve for x
    x = 408,401,687,088,253/27,259,740.80
  6. Step 6: Final answer
    x = 14,981,862.45

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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.