Home / 12,705,279.99-17,533,273.08-6,904,047.90

Finding the Fourth Proportional to 12,705,279.99, 17,533,273.08 and 6,904,047.90

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Solution

The fourth proportional to 12,705,279.99, 17,533,273.08 and 6,904,047.90 is: 9,527,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,279.99 : 17,533,273.08 = 6,904,047.90 : x
  2. Step 2: Convert to fraction form
    12,705,279.99/17,533,273.08 = 6,904,047.90/x
  3. Step 3: Cross multiply
    12,705,279.99x = 17,533,273.08 × 6,904,047.90
  4. Step 4: Simplify right side
    12,705,279.99x = 121,050,557,188,100.53
  5. Step 5: Solve for x
    x = 121,050,557,188,100.53/12,705,279.99
  6. Step 6: Final answer
    x = 9,527,578.87

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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.