Home / 18,720,228.30-28,080,342.45-16,592,714.70

Finding the Fourth Proportional to 18,720,228.30, 28,080,342.45 and 16,592,714.70

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Solution

The fourth proportional to 18,720,228.30, 28,080,342.45 and 16,592,714.70 is: 24,889,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,228.30 : 28,080,342.45 = 16,592,714.70 : x
  2. Step 2: Convert to fraction form
    18,720,228.30/28,080,342.45 = 16,592,714.70/x
  3. Step 3: Cross multiply
    18,720,228.30x = 28,080,342.45 × 16,592,714.70
  4. Step 4: Simplify right side
    18,720,228.30x = 465,929,110,951,149
  5. Step 5: Solve for x
    x = 465,929,110,951,149/18,720,228.30
  6. Step 6: Final answer
    x = 24,889,072.05

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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.