Home / 13,488,441.88-18,614,036.66-7,293,473.77

Finding the Fourth Proportional to 13,488,441.88, 18,614,036.66 and 7,293,473.77

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Solution

The fourth proportional to 13,488,441.88, 18,614,036.66 and 7,293,473.77 is: 10,064,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,441.88 : 18,614,036.66 = 7,293,473.77 : x
  2. Step 2: Convert to fraction form
    13,488,441.88/18,614,036.66 = 7,293,473.77/x
  3. Step 3: Cross multiply
    13,488,441.88x = 18,614,036.66 × 7,293,473.77
  4. Step 4: Simplify right side
    13,488,441.88x = 135,760,988,003,990.86
  5. Step 5: Solve for x
    x = 135,760,988,003,990.86/13,488,441.88
  6. Step 6: Final answer
    x = 10,064,986.69

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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.