Home / 28,511,648.40-42,672,994.20-26,244,166.80

Finding the Fourth Proportional to 28,511,648.40, 42,672,994.20 and 26,244,166.80

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Solution

The fourth proportional to 28,511,648.40, 42,672,994.20 and 26,244,166.80 is: 39,279,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,648.40 : 42,672,994.20 = 26,244,166.80 : x
  2. Step 2: Convert to fraction form
    28,511,648.40/42,672,994.20 = 26,244,166.80/x
  3. Step 3: Cross multiply
    28,511,648.40x = 42,672,994.20 × 26,244,166.80
  4. Step 4: Simplify right side
    28,511,648.40x = 1,119,917,177,640,232.62
  5. Step 5: Solve for x
    x = 1,119,917,177,640,232.62/28,511,648.40
  6. Step 6: Final answer
    x = 39,279,285.50

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1.5x scale

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.