Home / 7,183,212.14-9,913,041.70-3,920,236.76

Finding the Fourth Proportional to 7,183,212.14, 9,913,041.70 and 3,920,236.76

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Solution

The fourth proportional to 7,183,212.14, 9,913,041.70 and 3,920,236.76 is: 5,410,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,212.14 : 9,913,041.70 = 3,920,236.76 : x
  2. Step 2: Convert to fraction form
    7,183,212.14/9,913,041.70 = 3,920,236.76/x
  3. Step 3: Cross multiply
    7,183,212.14x = 9,913,041.70 × 3,920,236.76
  4. Step 4: Simplify right side
    7,183,212.14x = 38,861,470,475,752.89
  5. Step 5: Solve for x
    x = 38,861,470,475,752.89/7,183,212.14
  6. Step 6: Final answer
    x = 5,410,040.76

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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.