Home / 12,282,296.69-18,405,249.40-4,986,885.02

Finding the Fourth Proportional to 12,282,296.69, 18,405,249.40 and 4,986,885.02

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Solution

The fourth proportional to 12,282,296.69, 18,405,249.40 and 4,986,885.02 is: 7,472,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,296.69 : 18,405,249.40 = 4,986,885.02 : x
  2. Step 2: Convert to fraction form
    12,282,296.69/18,405,249.40 = 4,986,885.02/x
  3. Step 3: Cross multiply
    12,282,296.69x = 18,405,249.40 × 4,986,885.02
  4. Step 4: Simplify right side
    12,282,296.69x = 91,784,862,436,431.34
  5. Step 5: Solve for x
    x = 91,784,862,436,431.34/12,282,296.69
  6. Step 6: Final answer
    x = 7,472,939.69

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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.