Home / 35,138,286.54-48,488,187.87-21,385,730.70

Finding the Fourth Proportional to 35,138,286.54, 48,488,187.87 and 21,385,730.70

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Solution

The fourth proportional to 35,138,286.54, 48,488,187.87 and 21,385,730.70 is: 29,510,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138,286.54 : 48,488,187.87 = 21,385,730.70 : x
  2. Step 2: Convert to fraction form
    35,138,286.54/48,488,187.87 = 21,385,730.70/x
  3. Step 3: Cross multiply
    35,138,286.54x = 48,488,187.87 × 21,385,730.70
  4. Step 4: Simplify right side
    35,138,286.54x = 1,036,955,327,918,826.50
  5. Step 5: Solve for x
    x = 1,036,955,327,918,826.50/35,138,286.54
  6. Step 6: Final answer
    x = 29,510,697.02

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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.