Home / 9,205,954.42-13,808,431.09-2,816,206.78

Finding the Fourth Proportional to 9,205,954.42, 13,808,431.09 and 2,816,206.78

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Solution

The fourth proportional to 9,205,954.42, 13,808,431.09 and 2,816,206.78 is: 4,224,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,954.42 : 13,808,431.09 = 2,816,206.78 : x
  2. Step 2: Convert to fraction form
    9,205,954.42/13,808,431.09 = 2,816,206.78/x
  3. Step 3: Cross multiply
    9,205,954.42x = 13,808,431.09 × 2,816,206.78
  4. Step 4: Simplify right side
    9,205,954.42x = 38,887,397,215,259.20
  5. Step 5: Solve for x
    x = 38,887,397,215,259.20/9,205,954.42
  6. Step 6: Final answer
    x = 4,224,157.05

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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.