Home / 10,121,643.32-13,967,520.36-5,772,129.54

Finding the Fourth Proportional to 10,121,643.32, 13,967,520.36 and 5,772,129.54

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Solution

The fourth proportional to 10,121,643.32, 13,967,520.36 and 5,772,129.54 is: 7,965,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,643.32 : 13,967,520.36 = 5,772,129.54 : x
  2. Step 2: Convert to fraction form
    10,121,643.32/13,967,520.36 = 5,772,129.54/x
  3. Step 3: Cross multiply
    10,121,643.32x = 13,967,520.36 × 5,772,129.54
  4. Step 4: Simplify right side
    10,121,643.32x = 80,622,336,870,507.44
  5. Step 5: Solve for x
    x = 80,622,336,870,507.44/10,121,643.32
  6. Step 6: Final answer
    x = 7,965,340.64

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1.5x scale

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.