Home / 34,015,669.20-51,023,691.72-8,456,678.64

Finding the Fourth Proportional to 34,015,669.20, 51,023,691.72 and 8,456,678.64

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Solution

The fourth proportional to 34,015,669.20, 51,023,691.72 and 8,456,678.64 is: 12,685,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015,669.20 : 51,023,691.72 = 8,456,678.64 : x
  2. Step 2: Convert to fraction form
    34,015,669.20/51,023,691.72 = 8,456,678.64/x
  3. Step 3: Cross multiply
    34,015,669.20x = 51,023,691.72 × 8,456,678.64
  4. Step 4: Simplify right side
    34,015,669.20x = 431,490,963,902,468.88
  5. Step 5: Solve for x
    x = 431,490,963,902,468.88/34,015,669.20
  6. Step 6: Final answer
    x = 12,685,064.68

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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.