Home / 9,287,164.32-12,815,583.66-5,211,996

Finding the Fourth Proportional to 9,287,164.32, 12,815,583.66 and 5,211,996

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Solution

The fourth proportional to 9,287,164.32, 12,815,583.66 and 5,211,996 is: 7,192,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,164.32 : 12,815,583.66 = 5,211,996 : x
  2. Step 2: Convert to fraction form
    9,287,164.32/12,815,583.66 = 5,211,996/x
  3. Step 3: Cross multiply
    9,287,164.32x = 12,815,583.66 × 5,211,996
  4. Step 4: Simplify right side
    9,287,164.32x = 66,794,770,773,585.36
  5. Step 5: Solve for x
    x = 66,794,770,773,585.36/9,287,164.32
  6. Step 6: Final answer
    x = 7,192,159.90

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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.