Home / 18,982,789.88-26,196,241.72-10,280,962.32

Finding the Fourth Proportional to 18,982,789.88, 26,196,241.72 and 10,280,962.32

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Solution

The fourth proportional to 18,982,789.88, 26,196,241.72 and 10,280,962.32 is: 14,187,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,789.88 : 26,196,241.72 = 10,280,962.32 : x
  2. Step 2: Convert to fraction form
    18,982,789.88/26,196,241.72 = 10,280,962.32/x
  3. Step 3: Cross multiply
    18,982,789.88x = 26,196,241.72 × 10,280,962.32
  4. Step 4: Simplify right side
    18,982,789.88x = 269,322,574,048,932
  5. Step 5: Solve for x
    x = 269,322,574,048,932/18,982,789.88
  6. Step 6: Final answer
    x = 14,187,723.50

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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.