Home / 20,151,000.80-30,230,437.80-8,018,399.60

Finding the Fourth Proportional to 20,151,000.80, 30,230,437.80 and 8,018,399.60

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Solution

The fourth proportional to 20,151,000.80, 30,230,437.80 and 8,018,399.60 is: 12,029,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,000.80 : 30,230,437.80 = 8,018,399.60 : x
  2. Step 2: Convert to fraction form
    20,151,000.80/30,230,437.80 = 8,018,399.60/x
  3. Step 3: Cross multiply
    20,151,000.80x = 30,230,437.80 × 8,018,399.60
  4. Step 4: Simplify right side
    20,151,000.80x = 242,399,730,363,344.88
  5. Step 5: Solve for x
    x = 242,399,730,363,344.88/20,151,000.80
  6. Step 6: Final answer
    x = 12,029,165.83

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1.5x scale

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.