Home / 12,817,020.30-17,687,493.62-7,015,835.13

Finding the Fourth Proportional to 12,817,020.30, 17,687,493.62 and 7,015,835.13

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Solution

The fourth proportional to 12,817,020.30, 17,687,493.62 and 7,015,835.13 is: 9,681,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,020.30 : 17,687,493.62 = 7,015,835.13 : x
  2. Step 2: Convert to fraction form
    12,817,020.30/17,687,493.62 = 7,015,835.13/x
  3. Step 3: Cross multiply
    12,817,020.30x = 17,687,493.62 × 7,015,835.13
  4. Step 4: Simplify right side
    12,817,020.30x = 124,092,538,977,330.22
  5. Step 5: Solve for x
    x = 124,092,538,977,330.22/12,817,020.30
  6. Step 6: Final answer
    x = 9,681,855.54

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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.