Home / 20,426,714.11-28,188,017.25-11,134,079.68

Finding the Fourth Proportional to 20,426,714.11, 28,188,017.25 and 11,134,079.68

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Solution

The fourth proportional to 20,426,714.11, 28,188,017.25 and 11,134,079.68 is: 15,364,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,714.11 : 28,188,017.25 = 11,134,079.68 : x
  2. Step 2: Convert to fraction form
    20,426,714.11/28,188,017.25 = 11,134,079.68/x
  3. Step 3: Cross multiply
    20,426,714.11x = 28,188,017.25 × 11,134,079.68
  4. Step 4: Simplify right side
    20,426,714.11x = 313,847,630,082,714.50
  5. Step 5: Solve for x
    x = 313,847,630,082,714.50/20,426,714.11
  6. Step 6: Final answer
    x = 15,364,567.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.