Home / 9,152,142.11-12,629,921.23-5,022,242.09

Finding the Fourth Proportional to 9,152,142.11, 12,629,921.23 and 5,022,242.09

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Solution

The fourth proportional to 9,152,142.11, 12,629,921.23 and 5,022,242.09 is: 6,930,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152,142.11 : 12,629,921.23 = 5,022,242.09 : x
  2. Step 2: Convert to fraction form
    9,152,142.11/12,629,921.23 = 5,022,242.09/x
  3. Step 3: Cross multiply
    9,152,142.11x = 12,629,921.23 × 5,022,242.09
  4. Step 4: Simplify right side
    9,152,142.11x = 63,430,521,994,690.57
  5. Step 5: Solve for x
    x = 63,430,521,994,690.57/9,152,142.11
  6. Step 6: Final answer
    x = 6,930,674.94

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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.