Home / 12,096,821.70-18,145,232.55-3,121,373.70

Finding the Fourth Proportional to 12,096,821.70, 18,145,232.55 and 3,121,373.70

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Solution

The fourth proportional to 12,096,821.70, 18,145,232.55 and 3,121,373.70 is: 4,682,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,821.70 : 18,145,232.55 = 3,121,373.70 : x
  2. Step 2: Convert to fraction form
    12,096,821.70/18,145,232.55 = 3,121,373.70/x
  3. Step 3: Cross multiply
    12,096,821.70x = 18,145,232.55 × 3,121,373.70
  4. Step 4: Simplify right side
    12,096,821.70x = 56,638,051,661,953.94
  5. Step 5: Solve for x
    x = 56,638,051,661,953.94/12,096,821.70
  6. Step 6: Final answer
    x = 4,682,060.55

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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.