Home / 25,281,311.68-34,887,961.74-13,678,620.58

Finding the Fourth Proportional to 25,281,311.68, 34,887,961.74 and 13,678,620.58

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Solution

The fourth proportional to 25,281,311.68, 34,887,961.74 and 13,678,620.58 is: 18,876,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281,311.68 : 34,887,961.74 = 13,678,620.58 : x
  2. Step 2: Convert to fraction form
    25,281,311.68/34,887,961.74 = 13,678,620.58/x
  3. Step 3: Cross multiply
    25,281,311.68x = 34,887,961.74 × 13,678,620.58
  4. Step 4: Simplify right side
    25,281,311.68x = 477,219,191,451,016.62
  5. Step 5: Solve for x
    x = 477,219,191,451,016.62/25,281,311.68
  6. Step 6: Final answer
    x = 18,876,362.01

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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.