Home / 13,612,971.76-18,786,027.04-7,501,618.96

Finding the Fourth Proportional to 13,612,971.76, 18,786,027.04 and 7,501,618.96

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Solution

The fourth proportional to 13,612,971.76, 18,786,027.04 and 7,501,618.96 is: 10,352,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,971.76 : 18,786,027.04 = 7,501,618.96 : x
  2. Step 2: Convert to fraction form
    13,612,971.76/18,786,027.04 = 7,501,618.96/x
  3. Step 3: Cross multiply
    13,612,971.76x = 18,786,027.04 × 7,501,618.96
  4. Step 4: Simplify right side
    13,612,971.76x = 140,925,616,626,336.66
  5. Step 5: Solve for x
    x = 140,925,616,626,336.66/13,612,971.76
  6. Step 6: Final answer
    x = 10,352,303.61

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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.