Home / 20,324,282.19-30,492,412.20-8,187,500.31

Finding the Fourth Proportional to 20,324,282.19, 30,492,412.20 and 8,187,500.31

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Solution

The fourth proportional to 20,324,282.19, 30,492,412.20 and 8,187,500.31 is: 12,283,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,282.19 : 30,492,412.20 = 8,187,500.31 : x
  2. Step 2: Convert to fraction form
    20,324,282.19/30,492,412.20 = 8,187,500.31/x
  3. Step 3: Cross multiply
    20,324,282.19x = 30,492,412.20 × 8,187,500.31
  4. Step 4: Simplify right side
    20,324,282.19x = 249,656,634,340,147.75
  5. Step 5: Solve for x
    x = 249,656,634,340,147.75/20,324,282.19
  6. Step 6: Final answer
    x = 12,283,663.06

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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.