Home / 13,540,458.06-18,680,928.35-8,896,744.13

Finding the Fourth Proportional to 13,540,458.06, 18,680,928.35 and 8,896,744.13

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Solution

The fourth proportional to 13,540,458.06, 18,680,928.35 and 8,896,744.13 is: 12,274,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,458.06 : 18,680,928.35 = 8,896,744.13 : x
  2. Step 2: Convert to fraction form
    13,540,458.06/18,680,928.35 = 8,896,744.13/x
  3. Step 3: Cross multiply
    13,540,458.06x = 18,680,928.35 × 8,896,744.13
  4. Step 4: Simplify right side
    13,540,458.06x = 166,199,439,502,924.72
  5. Step 5: Solve for x
    x = 166,199,439,502,924.72/13,540,458.06
  6. Step 6: Final answer
    x = 12,274,284.87

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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.