Home / 8,211,724.64-11,331,721.52-4,540,429.28

Finding the Fourth Proportional to 8,211,724.64, 11,331,721.52 and 4,540,429.28

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Solution

The fourth proportional to 8,211,724.64, 11,331,721.52 and 4,540,429.28 is: 6,265,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,724.64 : 11,331,721.52 = 4,540,429.28 : x
  2. Step 2: Convert to fraction form
    8,211,724.64/11,331,721.52 = 4,540,429.28/x
  3. Step 3: Cross multiply
    8,211,724.64x = 11,331,721.52 × 4,540,429.28
  4. Step 4: Simplify right side
    8,211,724.64x = 51,450,880,182,214.11
  5. Step 5: Solve for x
    x = 51,450,880,182,214.11/8,211,724.64
  6. Step 6: Final answer
    x = 6,265,538.90

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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.