Home / 12,343,908.12-18,516,749.13-4,256,767.41

Finding the Fourth Proportional to 12,343,908.12, 18,516,749.13 and 4,256,767.41

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Solution

The fourth proportional to 12,343,908.12, 18,516,749.13 and 4,256,767.41 is: 6,385,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,908.12 : 18,516,749.13 = 4,256,767.41 : x
  2. Step 2: Convert to fraction form
    12,343,908.12/18,516,749.13 = 4,256,767.41/x
  3. Step 3: Cross multiply
    12,343,908.12x = 18,516,749.13 × 4,256,767.41
  4. Step 4: Simplify right side
    12,343,908.12x = 78,821,494,235,729.86
  5. Step 5: Solve for x
    x = 78,821,494,235,729.86/12,343,908.12
  6. Step 6: Final answer
    x = 6,385,456.98

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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.