Home / 20,298,089.76-30,473,116.19-17,437,756.20

Finding the Fourth Proportional to 20,298,089.76, 30,473,116.19 and 17,437,756.20

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Solution

The fourth proportional to 20,298,089.76, 30,473,116.19 and 17,437,756.20 is: 26,178,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,089.76 : 30,473,116.19 = 17,437,756.20 : x
  2. Step 2: Convert to fraction form
    20,298,089.76/30,473,116.19 = 17,437,756.20/x
  3. Step 3: Cross multiply
    20,298,089.76x = 30,473,116.19 × 17,437,756.20
  4. Step 4: Simplify right side
    20,298,089.76x = 531,382,770,737,508.88
  5. Step 5: Solve for x
    x = 531,382,770,737,508.88/20,298,089.76
  6. Step 6: Final answer
    x = 26,178,954.63

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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.