Home / 19,419,960-26,799,412.84-10,718,132.44

Finding the Fourth Proportional to 19,419,960, 26,799,412.84 and 10,718,132.44

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Solution

The fourth proportional to 19,419,960, 26,799,412.84 and 10,718,132.44 is: 14,790,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,960 : 26,799,412.84 = 10,718,132.44 : x
  2. Step 2: Convert to fraction form
    19,419,960/26,799,412.84 = 10,718,132.44/x
  3. Step 3: Cross multiply
    19,419,960x = 26,799,412.84 × 10,718,132.44
  4. Step 4: Simplify right side
    19,419,960x = 287,239,656,133,356.50
  5. Step 5: Solve for x
    x = 287,239,656,133,356.50/19,419,960
  6. Step 6: Final answer
    x = 14,790,949.94

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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.