Home / 20,120,610.80-30,180,916.20-14,493,897.20

Finding the Fourth Proportional to 20,120,610.80, 30,180,916.20 and 14,493,897.20

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Solution

The fourth proportional to 20,120,610.80, 30,180,916.20 and 14,493,897.20 is: 21,740,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120,610.80 : 30,180,916.20 = 14,493,897.20 : x
  2. Step 2: Convert to fraction form
    20,120,610.80/30,180,916.20 = 14,493,897.20/x
  3. Step 3: Cross multiply
    20,120,610.80x = 30,180,916.20 × 14,493,897.20
  4. Step 4: Simplify right side
    20,120,610.80x = 437,439,096,804,614.62
  5. Step 5: Solve for x
    x = 437,439,096,804,614.62/20,120,610.80
  6. Step 6: Final answer
    x = 21,740,845.80

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1.5x scale

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.