Home / 12,378,066.97-18,569,855.91-4,069,245.94

Finding the Fourth Proportional to 12,378,066.97, 18,569,855.91 and 4,069,245.94

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Solution

The fourth proportional to 12,378,066.97, 18,569,855.91 and 4,069,245.94 is: 6,104,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,066.97 : 18,569,855.91 = 4,069,245.94 : x
  2. Step 2: Convert to fraction form
    12,378,066.97/18,569,855.91 = 4,069,245.94/x
  3. Step 3: Cross multiply
    12,378,066.97x = 18,569,855.91 × 4,069,245.94
  4. Step 4: Simplify right side
    12,378,066.97x = 75,565,310,768,152.50
  5. Step 5: Solve for x
    x = 75,565,310,768,152.50/12,378,066.97
  6. Step 6: Final answer
    x = 6,104,774.76

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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.