Home / 20,146,783.60-30,155,877.60-15,895,255.60

Finding the Fourth Proportional to 20,146,783.60, 30,155,877.60 and 15,895,255.60

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Solution

The fourth proportional to 20,146,783.60, 30,155,877.60 and 15,895,255.60 is: 23,792,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,783.60 : 30,155,877.60 = 15,895,255.60 : x
  2. Step 2: Convert to fraction form
    20,146,783.60/30,155,877.60 = 15,895,255.60/x
  3. Step 3: Cross multiply
    20,146,783.60x = 30,155,877.60 × 15,895,255.60
  4. Step 4: Simplify right side
    20,146,783.60x = 479,335,382,294,314.56
  5. Step 5: Solve for x
    x = 479,335,382,294,314.56/20,146,783.60
  6. Step 6: Final answer
    x = 23,792,154.21

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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.