Home / 12,817,102.42-17,687,606.88-7,015,917.25

Finding the Fourth Proportional to 12,817,102.42, 17,687,606.88 and 7,015,917.25

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Solution

The fourth proportional to 12,817,102.42, 17,687,606.88 and 7,015,917.25 is: 9,681,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,102.42 : 17,687,606.88 = 7,015,917.25 : x
  2. Step 2: Convert to fraction form
    12,817,102.42/17,687,606.88 = 7,015,917.25/x
  3. Step 3: Cross multiply
    12,817,102.42x = 17,687,606.88 × 7,015,917.25
  4. Step 4: Simplify right side
    12,817,102.42x = 124,094,786,220,610.67
  5. Step 5: Solve for x
    x = 124,094,786,220,610.67/12,817,102.42
  6. Step 6: Final answer
    x = 9,681,968.84

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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.