Home / 26,377,456.41-39,539,999.75-12,520,132.34

Finding the Fourth Proportional to 26,377,456.41, 39,539,999.75 and 12,520,132.34

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Solution

The fourth proportional to 26,377,456.41, 39,539,999.75 and 12,520,132.34 is: 18,767,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377,456.41 : 39,539,999.75 = 12,520,132.34 : x
  2. Step 2: Convert to fraction form
    26,377,456.41/39,539,999.75 = 12,520,132.34/x
  3. Step 3: Cross multiply
    26,377,456.41x = 39,539,999.75 × 12,520,132.34
  4. Step 4: Simplify right side
    26,377,456.41x = 495,046,029,333,266.25
  5. Step 5: Solve for x
    x = 495,046,029,333,266.25/26,377,456.41
  6. Step 6: Final answer
    x = 18,767,769.78

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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.