Home / 20,229,870.20-30,344,805.30-20,088,152.60

Finding the Fourth Proportional to 20,229,870.20, 30,344,805.30 and 20,088,152.60

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Solution

The fourth proportional to 20,229,870.20, 30,344,805.30 and 20,088,152.60 is: 30,132,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,870.20 : 30,344,805.30 = 20,088,152.60 : x
  2. Step 2: Convert to fraction form
    20,229,870.20/30,344,805.30 = 20,088,152.60/x
  3. Step 3: Cross multiply
    20,229,870.20x = 30,344,805.30 × 20,088,152.60
  4. Step 4: Simplify right side
    20,229,870.20x = 609,571,079,483,688.88
  5. Step 5: Solve for x
    x = 609,571,079,483,688.88/20,229,870.20
  6. Step 6: Final answer
    x = 30,132,228.90

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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.