Home / 20,776,549.60-31,164,824.40-20,351,396.80

Finding the Fourth Proportional to 20,776,549.60, 31,164,824.40 and 20,351,396.80

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Solution

The fourth proportional to 20,776,549.60, 31,164,824.40 and 20,351,396.80 is: 30,527,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,549.60 : 31,164,824.40 = 20,351,396.80 : x
  2. Step 2: Convert to fraction form
    20,776,549.60/31,164,824.40 = 20,351,396.80/x
  3. Step 3: Cross multiply
    20,776,549.60x = 31,164,824.40 × 20,351,396.80
  4. Step 4: Simplify right side
    20,776,549.60x = 634,247,707,566,721.88
  5. Step 5: Solve for x
    x = 634,247,707,566,721.88/20,776,549.60
  6. Step 6: Final answer
    x = 30,527,095.20

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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.