Home / 8,640,858.87-11,924,747.51-4,969,776.47

Finding the Fourth Proportional to 8,640,858.87, 11,924,747.51 and 4,969,776.47

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Solution

The fourth proportional to 8,640,858.87, 11,924,747.51 and 4,969,776.47 is: 6,858,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,858.87 : 11,924,747.51 = 4,969,776.47 : x
  2. Step 2: Convert to fraction form
    8,640,858.87/11,924,747.51 = 4,969,776.47/x
  3. Step 3: Cross multiply
    8,640,858.87x = 11,924,747.51 × 4,969,776.47
  4. Step 4: Simplify right side
    8,640,858.87x = 59,263,329,501,416.47
  5. Step 5: Solve for x
    x = 59,263,329,501,416.47/8,640,858.87
  6. Step 6: Final answer
    x = 6,858,499.88

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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.