Home / 9,287,141.32-12,815,551.92-5,211,973

Finding the Fourth Proportional to 9,287,141.32, 12,815,551.92 and 5,211,973

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Solution

The fourth proportional to 9,287,141.32, 12,815,551.92 and 5,211,973 is: 7,192,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,141.32 : 12,815,551.92 = 5,211,973 : x
  2. Step 2: Convert to fraction form
    9,287,141.32/12,815,551.92 = 5,211,973/x
  3. Step 3: Cross multiply
    9,287,141.32x = 12,815,551.92 × 5,211,973
  4. Step 4: Simplify right side
    9,287,141.32x = 66,794,310,587,138.16
  5. Step 5: Solve for x
    x = 66,794,310,587,138.16/9,287,141.32
  6. Step 6: Final answer
    x = 7,192,128.16

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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.