Home / 31,584,027.84-43,586,258.85-18,531,508.80

Finding the Fourth Proportional to 31,584,027.84, 43,586,258.85 and 18,531,508.80

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Solution

The fourth proportional to 31,584,027.84, 43,586,258.85 and 18,531,508.80 is: 25,573,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,027.84 : 43,586,258.85 = 18,531,508.80 : x
  2. Step 2: Convert to fraction form
    31,584,027.84/43,586,258.85 = 18,531,508.80/x
  3. Step 3: Cross multiply
    31,584,027.84x = 43,586,258.85 × 18,531,508.80
  4. Step 4: Simplify right side
    31,584,027.84x = 807,719,139,437,853
  5. Step 5: Solve for x
    x = 807,719,139,437,853/31,584,027.84
  6. Step 6: Final answer
    x = 25,573,658.42

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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.