Home / 20,185,641.60-30,285,460.80-8,834,236.80

Finding the Fourth Proportional to 20,185,641.60, 30,285,460.80 and 8,834,236.80

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Solution

The fourth proportional to 20,185,641.60, 30,285,460.80 and 8,834,236.80 is: 13,254,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,641.60 : 30,285,460.80 = 8,834,236.80 : x
  2. Step 2: Convert to fraction form
    20,185,641.60/30,285,460.80 = 8,834,236.80/x
  3. Step 3: Cross multiply
    20,185,641.60x = 30,285,460.80 × 8,834,236.80
  4. Step 4: Simplify right side
    20,185,641.60x = 267,548,932,304,317.47
  5. Step 5: Solve for x
    x = 267,548,932,304,317.47/20,185,641.60
  6. Step 6: Final answer
    x = 13,254,418.05

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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.