Home / 13,554,764.24-18,700,967.76-7,749,435.92

Finding the Fourth Proportional to 13,554,764.24, 18,700,967.76 and 7,749,435.92

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Solution

The fourth proportional to 13,554,764.24, 18,700,967.76 and 7,749,435.92 is: 10,691,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,764.24 : 18,700,967.76 = 7,749,435.92 : x
  2. Step 2: Convert to fraction form
    13,554,764.24/18,700,967.76 = 7,749,435.92/x
  3. Step 3: Cross multiply
    13,554,764.24x = 18,700,967.76 × 7,749,435.92
  4. Step 4: Simplify right side
    13,554,764.24x = 144,921,951,298,105.94
  5. Step 5: Solve for x
    x = 144,921,951,298,105.94/13,554,764.24
  6. Step 6: Final answer
    x = 10,691,587.75

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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.