Home / 20,883,516.27-31,356,024.74-11,679,521.48

Finding the Fourth Proportional to 20,883,516.27, 31,356,024.74 and 11,679,521.48

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Solution

The fourth proportional to 20,883,516.27, 31,356,024.74 and 11,679,521.48 is: 17,536,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,516.27 : 31,356,024.74 = 11,679,521.48 : x
  2. Step 2: Convert to fraction form
    20,883,516.27/31,356,024.74 = 11,679,521.48/x
  3. Step 3: Cross multiply
    20,883,516.27x = 31,356,024.74 × 11,679,521.48
  4. Step 4: Simplify right side
    20,883,516.27x = 366,223,364,478,241.44
  5. Step 5: Solve for x
    x = 366,223,364,478,241.44/20,883,516.27
  6. Step 6: Final answer
    x = 17,536,479.96

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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.