Home / 7,072,299.27-9,760,947.12-4,172,402.88

Finding the Fourth Proportional to 7,072,299.27, 9,760,947.12 and 4,172,402.88

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Solution

The fourth proportional to 7,072,299.27, 9,760,947.12 and 4,172,402.88 is: 5,758,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,299.27 : 9,760,947.12 = 4,172,402.88 : x
  2. Step 2: Convert to fraction form
    7,072,299.27/9,760,947.12 = 4,172,402.88/x
  3. Step 3: Cross multiply
    7,072,299.27x = 9,760,947.12 × 4,172,402.88
  4. Step 4: Simplify right side
    7,072,299.27x = 40,726,603,875,015.70
  5. Step 5: Solve for x
    x = 40,726,603,875,015.70/7,072,299.27
  6. Step 6: Final answer
    x = 5,758,608.67

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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.