Home / 19,278,179.28-26,603,885.43-10,905,370.17

Finding the Fourth Proportional to 19,278,179.28, 26,603,885.43 and 10,905,370.17

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Solution

The fourth proportional to 19,278,179.28, 26,603,885.43 and 10,905,370.17 is: 15,049,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278,179.28 : 26,603,885.43 = 10,905,370.17 : x
  2. Step 2: Convert to fraction form
    19,278,179.28/26,603,885.43 = 10,905,370.17/x
  3. Step 3: Cross multiply
    19,278,179.28x = 26,603,885.43 × 10,905,370.17
  4. Step 4: Simplify right side
    19,278,179.28x = 290,125,218,474,655.06
  5. Step 5: Solve for x
    x = 290,125,218,474,655.06/19,278,179.28
  6. Step 6: Final answer
    x = 15,049,409.71

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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.