Home / 9,690,369.80-13,373,307.56-5,339,455.40

Finding the Fourth Proportional to 9,690,369.80, 13,373,307.56 and 5,339,455.40

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Solution

The fourth proportional to 9,690,369.80, 13,373,307.56 and 5,339,455.40 is: 7,368,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,369.80 : 13,373,307.56 = 5,339,455.40 : x
  2. Step 2: Convert to fraction form
    9,690,369.80/13,373,307.56 = 5,339,455.40/x
  3. Step 3: Cross multiply
    9,690,369.80x = 13,373,307.56 × 5,339,455.40
  4. Step 4: Simplify right side
    9,690,369.80x = 71,406,179,313,884.73
  5. Step 5: Solve for x
    x = 71,406,179,313,884.73/9,690,369.80
  6. Step 6: Final answer
    x = 7,368,777.54

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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.