Home / 7,806,043.42-11,715,791.18-5,411,569.56

Finding the Fourth Proportional to 7,806,043.42, 11,715,791.18 and 5,411,569.56

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Solution

The fourth proportional to 7,806,043.42, 11,715,791.18 and 5,411,569.56 is: 8,122,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806,043.42 : 11,715,791.18 = 5,411,569.56 : x
  2. Step 2: Convert to fraction form
    7,806,043.42/11,715,791.18 = 5,411,569.56/x
  3. Step 3: Cross multiply
    7,806,043.42x = 11,715,791.18 × 5,411,569.56
  4. Step 4: Simplify right side
    7,806,043.42x = 63,400,818,978,512.23
  5. Step 5: Solve for x
    x = 63,400,818,978,512.23/7,806,043.42
  6. Step 6: Final answer
    x = 8,122,017.21

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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.