Home / 20,386,094.46-28,132,814.21-11,218,737.21

Finding the Fourth Proportional to 20,386,094.46, 28,132,814.21 and 11,218,737.21

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Solution

The fourth proportional to 20,386,094.46, 28,132,814.21 and 11,218,737.21 is: 15,481,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,094.46 : 28,132,814.21 = 11,218,737.21 : x
  2. Step 2: Convert to fraction form
    20,386,094.46/28,132,814.21 = 11,218,737.21/x
  3. Step 3: Cross multiply
    20,386,094.46x = 28,132,814.21 × 11,218,737.21
  4. Step 4: Simplify right side
    20,386,094.46x = 315,614,649,599,743.81
  5. Step 5: Solve for x
    x = 315,614,649,599,743.81/20,386,094.46
  6. Step 6: Final answer
    x = 15,481,859.47

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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.