Home / 6,642,273.92-9,940,821.60-4,247,758.40

Finding the Fourth Proportional to 6,642,273.92, 9,940,821.60 and 4,247,758.40

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Solution

The fourth proportional to 6,642,273.92, 9,940,821.60 and 4,247,758.40 is: 6,357,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,273.92 : 9,940,821.60 = 4,247,758.40 : x
  2. Step 2: Convert to fraction form
    6,642,273.92/9,940,821.60 = 4,247,758.40/x
  3. Step 3: Cross multiply
    6,642,273.92x = 9,940,821.60 × 4,247,758.40
  4. Step 4: Simplify right side
    6,642,273.92x = 42,226,208,454,301.45
  5. Step 5: Solve for x
    x = 42,226,208,454,301.45/6,642,273.92
  6. Step 6: Final answer
    x = 6,357,191.67

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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.