Home / 20,235,953.60-30,343,432.80-7,449,876.80

Finding the Fourth Proportional to 20,235,953.60, 30,343,432.80 and 7,449,876.80

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Solution

The fourth proportional to 20,235,953.60, 30,343,432.80 and 7,449,876.80 is: 11,170,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,953.60 : 30,343,432.80 = 7,449,876.80 : x
  2. Step 2: Convert to fraction form
    20,235,953.60/30,343,432.80 = 7,449,876.80/x
  3. Step 3: Cross multiply
    20,235,953.60x = 30,343,432.80 × 7,449,876.80
  4. Step 4: Simplify right side
    20,235,953.60x = 226,054,836,049,079.03
  5. Step 5: Solve for x
    x = 226,054,836,049,079.03/20,235,953.60
  6. Step 6: Final answer
    x = 11,170,950.50

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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.