Home / 6,137,930.20-8,470,848.12-3,385,156.16

Finding the Fourth Proportional to 6,137,930.20, 8,470,848.12 and 3,385,156.16

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Solution

The fourth proportional to 6,137,930.20, 8,470,848.12 and 3,385,156.16 is: 4,671,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137,930.20 : 8,470,848.12 = 3,385,156.16 : x
  2. Step 2: Convert to fraction form
    6,137,930.20/8,470,848.12 = 3,385,156.16/x
  3. Step 3: Cross multiply
    6,137,930.20x = 8,470,848.12 × 3,385,156.16
  4. Step 4: Simplify right side
    6,137,930.20x = 28,675,143,693,842.42
  5. Step 5: Solve for x
    x = 28,675,143,693,842.42/6,137,930.20
  6. Step 6: Final answer
    x = 4,671,793.71

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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.