Home / 10,921,111.70-16,381,667.55-2,942,935.70

Finding the Fourth Proportional to 10,921,111.70, 16,381,667.55 and 2,942,935.70

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Solution

The fourth proportional to 10,921,111.70, 16,381,667.55 and 2,942,935.70 is: 4,414,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,111.70 : 16,381,667.55 = 2,942,935.70 : x
  2. Step 2: Convert to fraction form
    10,921,111.70/16,381,667.55 = 2,942,935.70/x
  3. Step 3: Cross multiply
    10,921,111.70x = 16,381,667.55 × 2,942,935.70
  4. Step 4: Simplify right side
    10,921,111.70x = 48,210,194,258,426.54
  5. Step 5: Solve for x
    x = 48,210,194,258,426.54/10,921,111.70
  6. Step 6: Final answer
    x = 4,414,403.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.