Home / 21,505,436.80-32,258,155.20-13,891,177.60

Finding the Fourth Proportional to 21,505,436.80, 32,258,155.20 and 13,891,177.60

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Solution

The fourth proportional to 21,505,436.80, 32,258,155.20 and 13,891,177.60 is: 20,836,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,436.80 : 32,258,155.20 = 13,891,177.60 : x
  2. Step 2: Convert to fraction form
    21,505,436.80/32,258,155.20 = 13,891,177.60/x
  3. Step 3: Cross multiply
    21,505,436.80x = 32,258,155.20 × 13,891,177.60
  4. Step 4: Simplify right side
    21,505,436.80x = 448,103,762,931,563.50
  5. Step 5: Solve for x
    x = 448,103,762,931,563.50/21,505,436.80
  6. Step 6: Final answer
    x = 20,836,766.40

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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.