Home / 7,248,835.80-10,003,124.37-3,985,456.38

Finding the Fourth Proportional to 7,248,835.80, 10,003,124.37 and 3,985,456.38

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Solution

The fourth proportional to 7,248,835.80, 10,003,124.37 and 3,985,456.38 is: 5,499,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248,835.80 : 10,003,124.37 = 3,985,456.38 : x
  2. Step 2: Convert to fraction form
    7,248,835.80/10,003,124.37 = 3,985,456.38/x
  3. Step 3: Cross multiply
    7,248,835.80x = 10,003,124.37 × 3,985,456.38
  4. Step 4: Simplify right side
    7,248,835.80x = 39,867,015,840,349.98
  5. Step 5: Solve for x
    x = 39,867,015,840,349.98/7,248,835.80
  6. Step 6: Final answer
    x = 5,499,781.89

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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.