Home / 12,141,608.40-18,210,079.80-3,622,222.80

Finding the Fourth Proportional to 12,141,608.40, 18,210,079.80 and 3,622,222.80

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Solution

The fourth proportional to 12,141,608.40, 18,210,079.80 and 3,622,222.80 is: 5,432,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,608.40 : 18,210,079.80 = 3,622,222.80 : x
  2. Step 2: Convert to fraction form
    12,141,608.40/18,210,079.80 = 3,622,222.80/x
  3. Step 3: Cross multiply
    12,141,608.40x = 18,210,079.80 × 3,622,222.80
  4. Step 4: Simplify right side
    12,141,608.40x = 65,960,966,241,379.44
  5. Step 5: Solve for x
    x = 65,960,966,241,379.44/12,141,608.40
  6. Step 6: Final answer
    x = 5,432,638.25

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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.