Home / 12,282,828.31-18,387,850.77-9,102,230.47

Finding the Fourth Proportional to 12,282,828.31, 18,387,850.77 and 9,102,230.47

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Solution

The fourth proportional to 12,282,828.31, 18,387,850.77 and 9,102,230.47 is: 13,626,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,828.31 : 18,387,850.77 = 9,102,230.47 : x
  2. Step 2: Convert to fraction form
    12,282,828.31/18,387,850.77 = 9,102,230.47/x
  3. Step 3: Cross multiply
    12,282,828.31x = 18,387,850.77 × 9,102,230.47
  4. Step 4: Simplify right side
    12,282,828.31x = 167,370,455,556,506.97
  5. Step 5: Solve for x
    x = 167,370,455,556,506.97/12,282,828.31
  6. Step 6: Final answer
    x = 13,626,377.52

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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.