Home / 12,141,609.40-18,210,081.30-3,622,223.80

Finding the Fourth Proportional to 12,141,609.40, 18,210,081.30 and 3,622,223.80

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Solution

The fourth proportional to 12,141,609.40, 18,210,081.30 and 3,622,223.80 is: 5,432,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,609.40 : 18,210,081.30 = 3,622,223.80 : x
  2. Step 2: Convert to fraction form
    12,141,609.40/18,210,081.30 = 3,622,223.80/x
  3. Step 3: Cross multiply
    12,141,609.40x = 18,210,081.30 × 3,622,223.80
  4. Step 4: Simplify right side
    12,141,609.40x = 65,960,989,884,794.94
  5. Step 5: Solve for x
    x = 65,960,989,884,794.94/12,141,609.40
  6. Step 6: Final answer
    x = 5,432,639.75

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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.