Home / 13,825,000.10-20,737,500.15-11,809,460.90

Finding the Fourth Proportional to 13,825,000.10, 20,737,500.15 and 11,809,460.90

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Solution

The fourth proportional to 13,825,000.10, 20,737,500.15 and 11,809,460.90 is: 17,714,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,000.10 : 20,737,500.15 = 11,809,460.90 : x
  2. Step 2: Convert to fraction form
    13,825,000.10/20,737,500.15 = 11,809,460.90/x
  3. Step 3: Cross multiply
    13,825,000.10x = 20,737,500.15 × 11,809,460.90
  4. Step 4: Simplify right side
    13,825,000.10x = 244,898,697,185,169.12
  5. Step 5: Solve for x
    x = 244,898,697,185,169.12/13,825,000.10
  6. Step 6: Final answer
    x = 17,714,191.35

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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.