Home / 10,816,165.90-14,923,922.78-6,403,700.56

Finding the Fourth Proportional to 10,816,165.90, 14,923,922.78 and 6,403,700.56

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Solution

The fourth proportional to 10,816,165.90, 14,923,922.78 and 6,403,700.56 is: 8,835,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816,165.90 : 14,923,922.78 = 6,403,700.56 : x
  2. Step 2: Convert to fraction form
    10,816,165.90/14,923,922.78 = 6,403,700.56/x
  3. Step 3: Cross multiply
    10,816,165.90x = 14,923,922.78 × 6,403,700.56
  4. Step 4: Simplify right side
    10,816,165.90x = 95,568,332,663,682.75
  5. Step 5: Solve for x
    x = 95,568,332,663,682.75/10,816,165.90
  6. Step 6: Final answer
    x = 8,835,694.05

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1.5x scale

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.