Home / 12,047,163.40-18,084,741.90-7,260,257.80

Finding the Fourth Proportional to 12,047,163.40, 18,084,741.90 and 7,260,257.80

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Solution

The fourth proportional to 12,047,163.40, 18,084,741.90 and 7,260,257.80 is: 10,898,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,163.40 : 18,084,741.90 = 7,260,257.80 : x
  2. Step 2: Convert to fraction form
    12,047,163.40/18,084,741.90 = 7,260,257.80/x
  3. Step 3: Cross multiply
    12,047,163.40x = 18,084,741.90 × 7,260,257.80
  4. Step 4: Simplify right side
    12,047,163.40x = 131,299,888,440,461.81
  5. Step 5: Solve for x
    x = 131,299,888,440,461.81/12,047,163.40
  6. Step 6: Final answer
    x = 10,898,821.91

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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.