Home / 6,991,179.38-10,487,334.99-1,942,490.42

Finding the Fourth Proportional to 6,991,179.38, 10,487,334.99 and 1,942,490.42

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Solution

The fourth proportional to 6,991,179.38, 10,487,334.99 and 1,942,490.42 is: 2,913,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,179.38 : 10,487,334.99 = 1,942,490.42 : x
  2. Step 2: Convert to fraction form
    6,991,179.38/10,487,334.99 = 1,942,490.42/x
  3. Step 3: Cross multiply
    6,991,179.38x = 10,487,334.99 × 1,942,490.42
  4. Step 4: Simplify right side
    6,991,179.38x = 20,371,547,749,405.80
  5. Step 5: Solve for x
    x = 20,371,547,749,405.80/6,991,179.38
  6. Step 6: Final answer
    x = 2,913,892.87

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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.