Home / 10,663,520.60-15,995,945.61-4,272,942.58

Finding the Fourth Proportional to 10,663,520.60, 15,995,945.61 and 4,272,942.58

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Solution

The fourth proportional to 10,663,520.60, 15,995,945.61 and 4,272,942.58 is: 6,409,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663,520.60 : 15,995,945.61 = 4,272,942.58 : x
  2. Step 2: Convert to fraction form
    10,663,520.60/15,995,945.61 = 4,272,942.58/x
  3. Step 3: Cross multiply
    10,663,520.60x = 15,995,945.61 × 4,272,942.58
  4. Step 4: Simplify right side
    10,663,520.60x = 68,349,757,064,343.20
  5. Step 5: Solve for x
    x = 68,349,757,064,343.20/10,663,520.60
  6. Step 6: Final answer
    x = 6,409,680.22

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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.