Home / 20,649,811.90-30,983,575.20-10,552,432.90

Finding the Fourth Proportional to 20,649,811.90, 30,983,575.20 and 10,552,432.90

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Solution

The fourth proportional to 20,649,811.90, 30,983,575.20 and 10,552,432.90 is: 15,833,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,811.90 : 30,983,575.20 = 10,552,432.90 : x
  2. Step 2: Convert to fraction form
    20,649,811.90/30,983,575.20 = 10,552,432.90/x
  3. Step 3: Cross multiply
    20,649,811.90x = 30,983,575.20 × 10,552,432.90
  4. Step 4: Simplify right side
    20,649,811.90x = 326,952,098,300,104.06
  5. Step 5: Solve for x
    x = 326,952,098,300,104.06/20,649,811.90
  6. Step 6: Final answer
    x = 15,833,175.62

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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.