Home / 20,160,918.80-30,222,024.60-6,690,813.20

Finding the Fourth Proportional to 20,160,918.80, 30,222,024.60 and 6,690,813.20

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Solution

The fourth proportional to 20,160,918.80, 30,222,024.60 and 6,690,813.20 is: 10,029,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,918.80 : 30,222,024.60 = 6,690,813.20 : x
  2. Step 2: Convert to fraction form
    20,160,918.80/30,222,024.60 = 6,690,813.20/x
  3. Step 3: Cross multiply
    20,160,918.80x = 30,222,024.60 × 6,690,813.20
  4. Step 4: Simplify right side
    20,160,918.80x = 202,209,921,124,404.75
  5. Step 5: Solve for x
    x = 202,209,921,124,404.75/20,160,918.80
  6. Step 6: Final answer
    x = 10,029,796.91

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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.