Home / 12,900,584.21-17,802,808.88-7,099,366.01

Finding the Fourth Proportional to 12,900,584.21, 17,802,808.88 and 7,099,366.01

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Solution

The fourth proportional to 12,900,584.21, 17,802,808.88 and 7,099,366.01 is: 9,797,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,584.21 : 17,802,808.88 = 7,099,366.01 : x
  2. Step 2: Convert to fraction form
    12,900,584.21/17,802,808.88 = 7,099,366.01/x
  3. Step 3: Cross multiply
    12,900,584.21x = 17,802,808.88 × 7,099,366.01
  4. Step 4: Simplify right side
    12,900,584.21x = 126,388,656,120,687.30
  5. Step 5: Solve for x
    x = 126,388,656,120,687.30/12,900,584.21
  6. Step 6: Final answer
    x = 9,797,126.56

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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.