Home / 10,367,797.20-15,551,695.80-5,265,963.60

Finding the Fourth Proportional to 10,367,797.20, 15,551,695.80 and 5,265,963.60

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Solution

The fourth proportional to 10,367,797.20, 15,551,695.80 and 5,265,963.60 is: 7,898,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,797.20 : 15,551,695.80 = 5,265,963.60 : x
  2. Step 2: Convert to fraction form
    10,367,797.20/15,551,695.80 = 5,265,963.60/x
  3. Step 3: Cross multiply
    10,367,797.20x = 15,551,695.80 × 5,265,963.60
  4. Step 4: Simplify right side
    10,367,797.20x = 81,894,664,001,072.88
  5. Step 5: Solve for x
    x = 81,894,664,001,072.88/10,367,797.20
  6. Step 6: Final answer
    x = 7,898,945.40

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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.