Home / 12,854,960.88-17,705,791.80-9,581,284.32

Finding the Fourth Proportional to 12,854,960.88, 17,705,791.80 and 9,581,284.32

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Solution

The fourth proportional to 12,854,960.88, 17,705,791.80 and 9,581,284.32 is: 13,196,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854,960.88 : 17,705,791.80 = 9,581,284.32 : x
  2. Step 2: Convert to fraction form
    12,854,960.88/17,705,791.80 = 9,581,284.32/x
  3. Step 3: Cross multiply
    12,854,960.88x = 17,705,791.80 × 9,581,284.32
  4. Step 4: Simplify right side
    12,854,960.88x = 169,644,225,346,524.59
  5. Step 5: Solve for x
    x = 169,644,225,346,524.59/12,854,960.88
  6. Step 6: Final answer
    x = 13,196,790.48

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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.