Home / 11,876,907.60-17,824,317.84-8,690,255.28

Finding the Fourth Proportional to 11,876,907.60, 17,824,317.84 and 8,690,255.28

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Solution

The fourth proportional to 11,876,907.60, 17,824,317.84 and 8,690,255.28 is: 13,041,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,907.60 : 17,824,317.84 = 8,690,255.28 : x
  2. Step 2: Convert to fraction form
    11,876,907.60/17,824,317.84 = 8,690,255.28/x
  3. Step 3: Cross multiply
    11,876,907.60x = 17,824,317.84 × 8,690,255.28
  4. Step 4: Simplify right side
    11,876,907.60x = 154,897,872,221,458.19
  5. Step 5: Solve for x
    x = 154,897,872,221,458.19/11,876,907.60
  6. Step 6: Final answer
    x = 13,041,936.29

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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.