Home / 20,180,779.20-30,262,311.45-8,046,209.70

Finding the Fourth Proportional to 20,180,779.20, 30,262,311.45 and 8,046,209.70

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Solution

The fourth proportional to 20,180,779.20, 30,262,311.45 and 8,046,209.70 is: 12,065,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,779.20 : 30,262,311.45 = 8,046,209.70 : x
  2. Step 2: Convert to fraction form
    20,180,779.20/30,262,311.45 = 8,046,209.70/x
  3. Step 3: Cross multiply
    20,180,779.20x = 30,262,311.45 × 8,046,209.70
  4. Step 4: Simplify right side
    20,180,779.20x = 243,496,903,933,411.06
  5. Step 5: Solve for x
    x = 243,496,903,933,411.06/20,180,779.20
  6. Step 6: Final answer
    x = 12,065,783.07

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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.