Home / 15,175,095.48-20,942,176.86-8,649,709.56

Finding the Fourth Proportional to 15,175,095.48, 20,942,176.86 and 8,649,709.56

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Solution

The fourth proportional to 15,175,095.48, 20,942,176.86 and 8,649,709.56 is: 11,936,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,095.48 : 20,942,176.86 = 8,649,709.56 : x
  2. Step 2: Convert to fraction form
    15,175,095.48/20,942,176.86 = 8,649,709.56/x
  3. Step 3: Cross multiply
    15,175,095.48x = 20,942,176.86 × 8,649,709.56
  4. Step 4: Simplify right side
    15,175,095.48x = 181,143,747,393,152.78
  5. Step 5: Solve for x
    x = 181,143,747,393,152.78/15,175,095.48
  6. Step 6: Final answer
    x = 11,936,909.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.