Home / 19,419,944.12-26,799,390.85-10,718,116.47

Finding the Fourth Proportional to 19,419,944.12, 26,799,390.85 and 10,718,116.47

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Solution

The fourth proportional to 19,419,944.12, 26,799,390.85 and 10,718,116.47 is: 14,790,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,944.12 : 26,799,390.85 = 10,718,116.47 : x
  2. Step 2: Convert to fraction form
    19,419,944.12/26,799,390.85 = 10,718,116.47/x
  3. Step 3: Cross multiply
    19,419,944.12x = 26,799,390.85 × 10,718,116.47
  4. Step 4: Simplify right side
    19,419,944.12x = 287,238,992,428,557
  5. Step 5: Solve for x
    x = 287,238,992,428,557/19,419,944.12
  6. Step 6: Final answer
    x = 14,790,927.86

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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.