Home / 10,865,661.40-16,300,679.10-3,189,291.40

Finding the Fourth Proportional to 10,865,661.40, 16,300,679.10 and 3,189,291.40

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Solution

The fourth proportional to 10,865,661.40, 16,300,679.10 and 3,189,291.40 is: 4,784,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,661.40 : 16,300,679.10 = 3,189,291.40 : x
  2. Step 2: Convert to fraction form
    10,865,661.40/16,300,679.10 = 3,189,291.40/x
  3. Step 3: Cross multiply
    10,865,661.40x = 16,300,679.10 × 3,189,291.40
  4. Step 4: Simplify right side
    10,865,661.40x = 51,987,615,667,789.73
  5. Step 5: Solve for x
    x = 51,987,615,667,789.73/10,865,661.40
  6. Step 6: Final answer
    x = 4,784,579.03

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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.