Home / 7,183,401.05-9,913,303.42-3,920,425.20

Finding the Fourth Proportional to 7,183,401.05, 9,913,303.42 and 3,920,425.20

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Solution

The fourth proportional to 7,183,401.05, 9,913,303.42 and 3,920,425.20 is: 5,410,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,401.05 : 9,913,303.42 = 3,920,425.20 : x
  2. Step 2: Convert to fraction form
    7,183,401.05/9,913,303.42 = 3,920,425.20/x
  3. Step 3: Cross multiply
    7,183,401.05x = 9,913,303.42 × 3,920,425.20
  4. Step 4: Simplify right side
    7,183,401.05x = 38,864,364,543,014.19
  5. Step 5: Solve for x
    x = 38,864,364,543,014.19/7,183,401.05
  6. Step 6: Final answer
    x = 5,410,301.37

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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.