Home / 28,012,770.48-38,657,622.84-15,135,714.48

Finding the Fourth Proportional to 28,012,770.48, 38,657,622.84 and 15,135,714.48

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Solution

The fourth proportional to 28,012,770.48, 38,657,622.84 and 15,135,714.48 is: 20,887,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,770.48 : 38,657,622.84 = 15,135,714.48 : x
  2. Step 2: Convert to fraction form
    28,012,770.48/38,657,622.84 = 15,135,714.48/x
  3. Step 3: Cross multiply
    28,012,770.48x = 38,657,622.84 × 15,135,714.48
  4. Step 4: Simplify right side
    28,012,770.48x = 585,110,741,781,766.75
  5. Step 5: Solve for x
    x = 585,110,741,781,766.75/28,012,770.48
  6. Step 6: Final answer
    x = 20,887,285.75

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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.