Home / 10,652,963.80-15,979,445.70-3,924,002.20

Finding the Fourth Proportional to 10,652,963.80, 15,979,445.70 and 3,924,002.20

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Solution

The fourth proportional to 10,652,963.80, 15,979,445.70 and 3,924,002.20 is: 5,886,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,963.80 : 15,979,445.70 = 3,924,002.20 : x
  2. Step 2: Convert to fraction form
    10,652,963.80/15,979,445.70 = 3,924,002.20/x
  3. Step 3: Cross multiply
    10,652,963.80x = 15,979,445.70 × 3,924,002.20
  4. Step 4: Simplify right side
    10,652,963.80x = 62,703,380,081,580.54
  5. Step 5: Solve for x
    x = 62,703,380,081,580.54/10,652,963.80
  6. Step 6: Final answer
    x = 5,886,003.30

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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.