Home / 9,900,703.09-13,665,817.81-5,979,836.42

Finding the Fourth Proportional to 9,900,703.09, 13,665,817.81 and 5,979,836.42

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Solution

The fourth proportional to 9,900,703.09, 13,665,817.81 and 5,979,836.42 is: 8,253,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900,703.09 : 13,665,817.81 = 5,979,836.42 : x
  2. Step 2: Convert to fraction form
    9,900,703.09/13,665,817.81 = 5,979,836.42/x
  3. Step 3: Cross multiply
    9,900,703.09x = 13,665,817.81 × 5,979,836.42
  4. Step 4: Simplify right side
    9,900,703.09x = 81,719,355,049,322.64
  5. Step 5: Solve for x
    x = 81,719,355,049,322.64/9,900,703.09
  6. Step 6: Final answer
    x = 8,253,894.12

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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.