Home / 18,217,215.12-25,139,720.39-10,376,724.38

Finding the Fourth Proportional to 18,217,215.12, 25,139,720.39 and 10,376,724.38

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Solution

The fourth proportional to 18,217,215.12, 25,139,720.39 and 10,376,724.38 is: 14,319,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,215.12 : 25,139,720.39 = 10,376,724.38 : x
  2. Step 2: Convert to fraction form
    18,217,215.12/25,139,720.39 = 10,376,724.38/x
  3. Step 3: Cross multiply
    18,217,215.12x = 25,139,720.39 × 10,376,724.38
  4. Step 4: Simplify right side
    18,217,215.12x = 260,867,949,599,376.50
  5. Step 5: Solve for x
    x = 260,867,949,599,376.50/18,217,215.12
  6. Step 6: Final answer
    x = 14,319,858.88

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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.