Home / 12,887,853.30-19,331,342.55-3,303,325.80

Finding the Fourth Proportional to 12,887,853.30, 19,331,342.55 and 3,303,325.80

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Solution

The fourth proportional to 12,887,853.30, 19,331,342.55 and 3,303,325.80 is: 4,954,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,853.30 : 19,331,342.55 = 3,303,325.80 : x
  2. Step 2: Convert to fraction form
    12,887,853.30/19,331,342.55 = 3,303,325.80/x
  3. Step 3: Cross multiply
    12,887,853.30x = 19,331,342.55 × 3,303,325.80
  4. Step 4: Simplify right side
    12,887,853.30x = 63,857,722,594,052.79
  5. Step 5: Solve for x
    x = 63,857,722,594,052.79/12,887,853.30
  6. Step 6: Final answer
    x = 4,954,876.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.