Home / 13,564,391.25-18,714,230.33-8,405,870.61

Finding the Fourth Proportional to 13,564,391.25, 18,714,230.33 and 8,405,870.61

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Solution

The fourth proportional to 13,564,391.25, 18,714,230.33 and 8,405,870.61 is: 11,597,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,391.25 : 18,714,230.33 = 8,405,870.61 : x
  2. Step 2: Convert to fraction form
    13,564,391.25/18,714,230.33 = 8,405,870.61/x
  3. Step 3: Cross multiply
    13,564,391.25x = 18,714,230.33 × 8,405,870.61
  4. Step 4: Simplify right side
    13,564,391.25x = 157,309,398,677,688.22
  5. Step 5: Solve for x
    x = 157,309,398,677,688.22/13,564,391.25
  6. Step 6: Final answer
    x = 11,597,232.47

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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.