Home / 9,215,023.32-12,719,261.82-5,348,790.05

Finding the Fourth Proportional to 9,215,023.32, 12,719,261.82 and 5,348,790.05

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Solution

The fourth proportional to 9,215,023.32, 12,719,261.82 and 5,348,790.05 is: 7,382,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,023.32 : 12,719,261.82 = 5,348,790.05 : x
  2. Step 2: Convert to fraction form
    9,215,023.32/12,719,261.82 = 5,348,790.05/x
  3. Step 3: Cross multiply
    9,215,023.32x = 12,719,261.82 × 5,348,790.05
  4. Step 4: Simplify right side
    9,215,023.32x = 68,032,661,022,622.55
  5. Step 5: Solve for x
    x = 68,032,661,022,622.55/9,215,023.32
  6. Step 6: Final answer
    x = 7,382,798.57

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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.