Home / 13,487,350.80-20,231,026.20-4,390,305.60

Finding the Fourth Proportional to 13,487,350.80, 20,231,026.20 and 4,390,305.60

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Solution

The fourth proportional to 13,487,350.80, 20,231,026.20 and 4,390,305.60 is: 6,585,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,350.80 : 20,231,026.20 = 4,390,305.60 : x
  2. Step 2: Convert to fraction form
    13,487,350.80/20,231,026.20 = 4,390,305.60/x
  3. Step 3: Cross multiply
    13,487,350.80x = 20,231,026.20 × 4,390,305.60
  4. Step 4: Simplify right side
    13,487,350.80x = 88,820,387,619,606.70
  5. Step 5: Solve for x
    x = 88,820,387,619,606.70/13,487,350.80
  6. Step 6: Final answer
    x = 6,585,458.40

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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.