Home / 12,170,184.22-18,259,096.29-7,318,076.86

Finding the Fourth Proportional to 12,170,184.22, 18,259,096.29 and 7,318,076.86

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Solution

The fourth proportional to 12,170,184.22, 18,259,096.29 and 7,318,076.86 is: 10,979,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,184.22 : 18,259,096.29 = 7,318,076.86 : x
  2. Step 2: Convert to fraction form
    12,170,184.22/18,259,096.29 = 7,318,076.86/x
  3. Step 3: Cross multiply
    12,170,184.22x = 18,259,096.29 × 7,318,076.86
  4. Step 4: Simplify right side
    12,170,184.22x = 133,621,470,044,360.84
  5. Step 5: Solve for x
    x = 133,621,470,044,360.84/12,170,184.22
  6. Step 6: Final answer
    x = 10,979,412.28

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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.