Home / 20,227,311.40-30,340,967.10-13,424,866.60

Finding the Fourth Proportional to 20,227,311.40, 30,340,967.10 and 13,424,866.60

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Solution

The fourth proportional to 20,227,311.40, 30,340,967.10 and 13,424,866.60 is: 20,137,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,311.40 : 30,340,967.10 = 13,424,866.60 : x
  2. Step 2: Convert to fraction form
    20,227,311.40/30,340,967.10 = 13,424,866.60/x
  3. Step 3: Cross multiply
    20,227,311.40x = 30,340,967.10 × 13,424,866.60
  4. Step 4: Simplify right side
    20,227,311.40x = 407,323,435,832,488.88
  5. Step 5: Solve for x
    x = 407,323,435,832,488.88/20,227,311.40
  6. Step 6: Final answer
    x = 20,137,299.90

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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.