Home / 8,213,963.28-11,330,718.72-4,775,824.32

Finding the Fourth Proportional to 8,213,963.28, 11,330,718.72 and 4,775,824.32

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Solution

The fourth proportional to 8,213,963.28, 11,330,718.72 and 4,775,824.32 is: 6,587,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,963.28 : 11,330,718.72 = 4,775,824.32 : x
  2. Step 2: Convert to fraction form
    8,213,963.28/11,330,718.72 = 4,775,824.32/x
  3. Step 3: Cross multiply
    8,213,963.28x = 11,330,718.72 × 4,775,824.32
  4. Step 4: Simplify right side
    8,213,963.28x = 54,113,522,026,055.27
  5. Step 5: Solve for x
    x = 54,113,522,026,055.27/8,213,963.28
  6. Step 6: Final answer
    x = 6,587,991.71

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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.