Home / 12,282,827.31-18,387,849.27-9,102,229.47

Finding the Fourth Proportional to 12,282,827.31, 18,387,849.27 and 9,102,229.47

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Solution

The fourth proportional to 12,282,827.31, 18,387,849.27 and 9,102,229.47 is: 13,626,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,827.31 : 18,387,849.27 = 9,102,229.47 : x
  2. Step 2: Convert to fraction form
    12,282,827.31/18,387,849.27 = 9,102,229.47/x
  3. Step 3: Cross multiply
    12,282,827.31x = 18,387,849.27 × 9,102,229.47
  4. Step 4: Simplify right side
    12,282,827.31x = 167,370,423,515,312
  5. Step 5: Solve for x
    x = 167,370,423,515,312/12,282,827.31
  6. Step 6: Final answer
    x = 13,626,376.02

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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.