Home / 20,050,470.83-30,139,922.03-18,628,866.15

Finding the Fourth Proportional to 20,050,470.83, 30,139,922.03 and 18,628,866.15

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Solution

The fourth proportional to 20,050,470.83, 30,139,922.03 and 18,628,866.15 is: 28,002,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,470.83 : 30,139,922.03 = 18,628,866.15 : x
  2. Step 2: Convert to fraction form
    20,050,470.83/30,139,922.03 = 18,628,866.15/x
  3. Step 3: Cross multiply
    20,050,470.83x = 30,139,922.03 × 18,628,866.15
  4. Step 4: Simplify right side
    20,050,470.83x = 561,472,573,175,161.88
  5. Step 5: Solve for x
    x = 561,472,573,175,161.88/20,050,470.83
  6. Step 6: Final answer
    x = 28,002,962.03

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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.