Home / 20,393,938.60-30,626,337.30-10,828,000.60

Finding the Fourth Proportional to 20,393,938.60, 30,626,337.30 and 10,828,000.60

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Solution

The fourth proportional to 20,393,938.60, 30,626,337.30 and 10,828,000.60 is: 16,260,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,938.60 : 30,626,337.30 = 10,828,000.60 : x
  2. Step 2: Convert to fraction form
    20,393,938.60/30,626,337.30 = 10,828,000.60/x
  3. Step 3: Cross multiply
    20,393,938.60x = 30,626,337.30 × 10,828,000.60
  4. Step 4: Simplify right side
    20,393,938.60x = 331,621,998,660,202.38
  5. Step 5: Solve for x
    x = 331,621,998,660,202.38/20,393,938.60
  6. Step 6: Final answer
    x = 16,260,811.86

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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.