Home / 18,889,529.28-26,067,428.48-10,740,766.72

Finding the Fourth Proportional to 18,889,529.28, 26,067,428.48 and 10,740,766.72

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Solution

The fourth proportional to 18,889,529.28, 26,067,428.48 and 10,740,766.72 is: 14,822,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889,529.28 : 26,067,428.48 = 10,740,766.72 : x
  2. Step 2: Convert to fraction form
    18,889,529.28/26,067,428.48 = 10,740,766.72/x
  3. Step 3: Cross multiply
    18,889,529.28x = 26,067,428.48 × 10,740,766.72
  4. Step 4: Simplify right side
    18,889,529.28x = 279,984,168,293,964.22
  5. Step 5: Solve for x
    x = 279,984,168,293,964.22/18,889,529.28
  6. Step 6: Final answer
    x = 14,822,188.75

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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.