Home / 12,145,183.27-18,220,968.76-4,364,883.38

Finding the Fourth Proportional to 12,145,183.27, 18,220,968.76 and 4,364,883.38

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Solution

The fourth proportional to 12,145,183.27, 18,220,968.76 and 4,364,883.38 is: 6,548,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,183.27 : 18,220,968.76 = 4,364,883.38 : x
  2. Step 2: Convert to fraction form
    12,145,183.27/18,220,968.76 = 4,364,883.38/x
  3. Step 3: Cross multiply
    12,145,183.27x = 18,220,968.76 × 4,364,883.38
  4. Step 4: Simplify right side
    12,145,183.27x = 79,532,403,742,663.42
  5. Step 5: Solve for x
    x = 79,532,403,742,663.42/12,145,183.27
  6. Step 6: Final answer
    x = 6,548,472.92

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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.