Home / 20,187,802.80-30,281,704.20-17,876,034.45

Finding the Fourth Proportional to 20,187,802.80, 30,281,704.20 and 17,876,034.45

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Solution

The fourth proportional to 20,187,802.80, 30,281,704.20 and 17,876,034.45 is: 26,814,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,802.80 : 30,281,704.20 = 17,876,034.45 : x
  2. Step 2: Convert to fraction form
    20,187,802.80/30,281,704.20 = 17,876,034.45/x
  3. Step 3: Cross multiply
    20,187,802.80x = 30,281,704.20 × 17,876,034.45
  4. Step 4: Simplify right side
    20,187,802.80x = 541,316,787,483,909.62
  5. Step 5: Solve for x
    x = 541,316,787,483,909.62/20,187,802.80
  6. Step 6: Final answer
    x = 26,814,051.68

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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.