Home / 9,311,429.60-13,967,581.80-2,921,890.40

Finding the Fourth Proportional to 9,311,429.60, 13,967,581.80 and 2,921,890.40

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Solution

The fourth proportional to 9,311,429.60, 13,967,581.80 and 2,921,890.40 is: 4,382,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,429.60 : 13,967,581.80 = 2,921,890.40 : x
  2. Step 2: Convert to fraction form
    9,311,429.60/13,967,581.80 = 2,921,890.40/x
  3. Step 3: Cross multiply
    9,311,429.60x = 13,967,581.80 × 2,921,890.40
  4. Step 4: Simplify right side
    9,311,429.60x = 40,811,743,172,634.72
  5. Step 5: Solve for x
    x = 40,811,743,172,634.72/9,311,429.60
  6. Step 6: Final answer
    x = 4,382,972.85

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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.