Home / 12,809,685.47-17,675,620.13-7,651,952.15

Finding the Fourth Proportional to 12,809,685.47, 17,675,620.13 and 7,651,952.15

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Solution

The fourth proportional to 12,809,685.47, 17,675,620.13 and 7,651,952.15 is: 10,558,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,685.47 : 17,675,620.13 = 7,651,952.15 : x
  2. Step 2: Convert to fraction form
    12,809,685.47/17,675,620.13 = 7,651,952.15/x
  3. Step 3: Cross multiply
    12,809,685.47x = 17,675,620.13 × 7,651,952.15
  4. Step 4: Simplify right side
    12,809,685.47x = 135,252,999,387,088.55
  5. Step 5: Solve for x
    x = 135,252,999,387,088.55/12,809,685.47
  6. Step 6: Final answer
    x = 10,558,651.09

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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.