Home / 7,183,399.80-9,913,301.69-3,920,423.95

Finding the Fourth Proportional to 7,183,399.80, 9,913,301.69 and 3,920,423.95

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Solution

The fourth proportional to 7,183,399.80, 9,913,301.69 and 3,920,423.95 is: 5,410,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,399.80 : 9,913,301.69 = 3,920,423.95 : x
  2. Step 2: Convert to fraction form
    7,183,399.80/9,913,301.69 = 3,920,423.95/x
  3. Step 3: Cross multiply
    7,183,399.80x = 9,913,301.69 × 3,920,423.95
  4. Step 4: Simplify right side
    7,183,399.80x = 38,864,345,319,484.96
  5. Step 5: Solve for x
    x = 38,864,345,319,484.96/7,183,399.80
  6. Step 6: Final answer
    x = 5,410,299.64

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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.