Home / 8,084,187.55-11,127,862.13-7,049,870.51

Finding the Fourth Proportional to 8,084,187.55, 11,127,862.13 and 7,049,870.51

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Solution

The fourth proportional to 8,084,187.55, 11,127,862.13 and 7,049,870.51 is: 9,704,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,187.55 : 11,127,862.13 = 7,049,870.51 : x
  2. Step 2: Convert to fraction form
    8,084,187.55/11,127,862.13 = 7,049,870.51/x
  3. Step 3: Cross multiply
    8,084,187.55x = 11,127,862.13 × 7,049,870.51
  4. Step 4: Simplify right side
    8,084,187.55x = 78,449,987,010,278.62
  5. Step 5: Solve for x
    x = 78,449,987,010,278.62/8,084,187.55
  6. Step 6: Final answer
    x = 9,704,127.53

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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.