Home / 9,282,791.19-13,938,761.12-7,862,100.20

Finding the Fourth Proportional to 9,282,791.19, 13,938,761.12 and 7,862,100.20

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Solution

The fourth proportional to 9,282,791.19, 13,938,761.12 and 7,862,100.20 is: 11,805,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282,791.19 : 13,938,761.12 = 7,862,100.20 : x
  2. Step 2: Convert to fraction form
    9,282,791.19/13,938,761.12 = 7,862,100.20/x
  3. Step 3: Cross multiply
    9,282,791.19x = 13,938,761.12 × 7,862,100.20
  4. Step 4: Simplify right side
    9,282,791.19x = 109,587,936,480,299.92
  5. Step 5: Solve for x
    x = 109,587,936,480,299.92/9,282,791.19
  6. Step 6: Final answer
    x = 11,805,494.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.