Home / 12,747,284.01-17,590,701.15-7,240,641.57

Finding the Fourth Proportional to 12,747,284.01, 17,590,701.15 and 7,240,641.57

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Solution

The fourth proportional to 12,747,284.01, 17,590,701.15 and 7,240,641.57 is: 9,991,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,284.01 : 17,590,701.15 = 7,240,641.57 : x
  2. Step 2: Convert to fraction form
    12,747,284.01/17,590,701.15 = 7,240,641.57/x
  3. Step 3: Cross multiply
    12,747,284.01x = 17,590,701.15 × 7,240,641.57
  4. Step 4: Simplify right side
    12,747,284.01x = 127,367,961,992,136.80
  5. Step 5: Solve for x
    x = 127,367,961,992,136.80/12,747,284.01
  6. Step 6: Final answer
    x = 9,991,772.51

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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.