Home / 6,980,179.92-9,629,499.99-4,078,266

Finding the Fourth Proportional to 6,980,179.92, 9,629,499.99 and 4,078,266

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Solution

The fourth proportional to 6,980,179.92, 9,629,499.99 and 4,078,266 is: 5,626,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,179.92 : 9,629,499.99 = 4,078,266 : x
  2. Step 2: Convert to fraction form
    6,980,179.92/9,629,499.99 = 4,078,266/x
  3. Step 3: Cross multiply
    6,980,179.92x = 9,629,499.99 × 4,078,266
  4. Step 4: Simplify right side
    6,980,179.92x = 39,271,662,406,217.34
  5. Step 5: Solve for x
    x = 39,271,662,406,217.34/6,980,179.92
  6. Step 6: Final answer
    x = 5,626,167.64

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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.