Home / 7,248,836.30-10,003,125.06-3,985,456.88

Finding the Fourth Proportional to 7,248,836.30, 10,003,125.06 and 3,985,456.88

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Solution

The fourth proportional to 7,248,836.30, 10,003,125.06 and 3,985,456.88 is: 5,499,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248,836.30 : 10,003,125.06 = 3,985,456.88 : x
  2. Step 2: Convert to fraction form
    7,248,836.30/10,003,125.06 = 3,985,456.88/x
  3. Step 3: Cross multiply
    7,248,836.30x = 10,003,125.06 × 3,985,456.88
  4. Step 4: Simplify right side
    7,248,836.30x = 39,867,023,591,877.41
  5. Step 5: Solve for x
    x = 39,867,023,591,877.41/7,248,836.30
  6. Step 6: Final answer
    x = 5,499,782.58

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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.