Home / 38,152,121.41-52,649,427.52-20,748,095.69

Finding the Fourth Proportional to 38,152,121.41, 52,649,427.52 and 20,748,095.69

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Solution

The fourth proportional to 38,152,121.41, 52,649,427.52 and 20,748,095.69 is: 28,632,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152,121.41 : 52,649,427.52 = 20,748,095.69 : x
  2. Step 2: Convert to fraction form
    38,152,121.41/52,649,427.52 = 20,748,095.69/x
  3. Step 3: Cross multiply
    38,152,121.41x = 52,649,427.52 × 20,748,095.69
  4. Step 4: Simplify right side
    38,152,121.41x = 1,092,375,360,288,432.62
  5. Step 5: Solve for x
    x = 1,092,375,360,288,432.62/38,152,121.41
  6. Step 6: Final answer
    x = 28,632,100.13

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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.