Home / 13,488,461.72-18,614,063.97-7,293,493.64

Finding the Fourth Proportional to 13,488,461.72, 18,614,063.97 and 7,293,493.64

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Solution

The fourth proportional to 13,488,461.72, 18,614,063.97 and 7,293,493.64 is: 10,065,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,461.72 : 18,614,063.97 = 7,293,493.64 : x
  2. Step 2: Convert to fraction form
    13,488,461.72/18,614,063.97 = 7,293,493.64/x
  3. Step 3: Cross multiply
    13,488,461.72x = 18,614,063.97 × 7,293,493.64
  4. Step 4: Simplify right side
    13,488,461.72x = 135,761,557,086,677.81
  5. Step 5: Solve for x
    x = 135,761,557,086,677.81/13,488,461.72
  6. Step 6: Final answer
    x = 10,065,014.08

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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.