Home / 13,756,406.52-18,951,030.36-9,618,695.31

Finding the Fourth Proportional to 13,756,406.52, 18,951,030.36 and 9,618,695.31

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Solution

The fourth proportional to 13,756,406.52, 18,951,030.36 and 9,618,695.31 is: 13,250,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756,406.52 : 18,951,030.36 = 9,618,695.31 : x
  2. Step 2: Convert to fraction form
    13,756,406.52/18,951,030.36 = 9,618,695.31/x
  3. Step 3: Cross multiply
    13,756,406.52x = 18,951,030.36 × 9,618,695.31
  4. Step 4: Simplify right side
    13,756,406.52x = 182,284,186,843,399.62
  5. Step 5: Solve for x
    x = 182,284,186,843,399.62/13,756,406.52
  6. Step 6: Final answer
    x = 13,250,857.82

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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.