Home / 7,336,903.20-11,007,979.20-3,078,376.80

Finding the Fourth Proportional to 7,336,903.20, 11,007,979.20 and 3,078,376.80

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Solution

The fourth proportional to 7,336,903.20, 11,007,979.20 and 3,078,376.80 is: 4,618,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336,903.20 : 11,007,979.20 = 3,078,376.80 : x
  2. Step 2: Convert to fraction form
    7,336,903.20/11,007,979.20 = 3,078,376.80/x
  3. Step 3: Cross multiply
    7,336,903.20x = 11,007,979.20 × 3,078,376.80
  4. Step 4: Simplify right side
    7,336,903.20x = 33,886,707,784,162.55
  5. Step 5: Solve for x
    x = 33,886,707,784,162.55/7,336,903.20
  6. Step 6: Final answer
    x = 4,618,666.33

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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.