Home / 15,468,059.28-21,346,067.96-8,498,883.06

Finding the Fourth Proportional to 15,468,059.28, 21,346,067.96 and 8,498,883.06

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Solution

The fourth proportional to 15,468,059.28, 21,346,067.96 and 8,498,883.06 is: 11,728,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468,059.28 : 21,346,067.96 = 8,498,883.06 : x
  2. Step 2: Convert to fraction form
    15,468,059.28/21,346,067.96 = 8,498,883.06/x
  3. Step 3: Cross multiply
    15,468,059.28x = 21,346,067.96 × 8,498,883.06
  4. Step 4: Simplify right side
    15,468,059.28x = 181,417,735,340,358.34
  5. Step 5: Solve for x
    x = 181,417,735,340,358.34/15,468,059.28
  6. Step 6: Final answer
    x = 11,728,538.92

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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.