Home / 20,180,324.70-30,270,487.05-14,121,897.30

Finding the Fourth Proportional to 20,180,324.70, 30,270,487.05 and 14,121,897.30

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Solution

The fourth proportional to 20,180,324.70, 30,270,487.05 and 14,121,897.30 is: 21,182,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,324.70 : 30,270,487.05 = 14,121,897.30 : x
  2. Step 2: Convert to fraction form
    20,180,324.70/30,270,487.05 = 14,121,897.30/x
  3. Step 3: Cross multiply
    20,180,324.70x = 30,270,487.05 × 14,121,897.30
  4. Step 4: Simplify right side
    20,180,324.70x = 427,476,709,341,080
  5. Step 5: Solve for x
    x = 427,476,709,341,080/20,180,324.70
  6. Step 6: Final answer
    x = 21,182,845.95

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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.