Home / 12,038,414.40-18,057,621.60-9,770,932.80

Finding the Fourth Proportional to 12,038,414.40, 18,057,621.60 and 9,770,932.80

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Solution

The fourth proportional to 12,038,414.40, 18,057,621.60 and 9,770,932.80 is: 14,656,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,414.40 : 18,057,621.60 = 9,770,932.80 : x
  2. Step 2: Convert to fraction form
    12,038,414.40/18,057,621.60 = 9,770,932.80/x
  3. Step 3: Cross multiply
    12,038,414.40x = 18,057,621.60 × 9,770,932.80
  4. Step 4: Simplify right side
    12,038,414.40x = 176,439,807,181,428.50
  5. Step 5: Solve for x
    x = 176,439,807,181,428.50/12,038,414.40
  6. Step 6: Final answer
    x = 14,656,399.20

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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.