Home / 10,080,361.60-15,120,542.40-3,690,822.40

Finding the Fourth Proportional to 10,080,361.60, 15,120,542.40 and 3,690,822.40

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Solution

The fourth proportional to 10,080,361.60, 15,120,542.40 and 3,690,822.40 is: 5,536,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,361.60 : 15,120,542.40 = 3,690,822.40 : x
  2. Step 2: Convert to fraction form
    10,080,361.60/15,120,542.40 = 3,690,822.40/x
  3. Step 3: Cross multiply
    10,080,361.60x = 15,120,542.40 × 3,690,822.40
  4. Step 4: Simplify right side
    10,080,361.60x = 55,807,236,590,069.76
  5. Step 5: Solve for x
    x = 55,807,236,590,069.76/10,080,361.60
  6. Step 6: Final answer
    x = 5,536,233.60

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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.