Home / 15,485,418.52-21,370,426.22-8,516,635.08

Finding the Fourth Proportional to 15,485,418.52, 21,370,426.22 and 8,516,635.08

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Solution

The fourth proportional to 15,485,418.52, 21,370,426.22 and 8,516,635.08 is: 11,753,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,418.52 : 21,370,426.22 = 8,516,635.08 : x
  2. Step 2: Convert to fraction form
    15,485,418.52/21,370,426.22 = 8,516,635.08/x
  3. Step 3: Cross multiply
    15,485,418.52x = 21,370,426.22 × 8,516,635.08
  4. Step 4: Simplify right side
    15,485,418.52x = 182,004,121,619,803.78
  5. Step 5: Solve for x
    x = 182,004,121,619,803.78/15,485,418.52
  6. Step 6: Final answer
    x = 11,753,258.16

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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.