Home / 12,348,426.56-18,512,749.13-5,868,249.98

Finding the Fourth Proportional to 12,348,426.56, 18,512,749.13 and 5,868,249.98

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Solution

The fourth proportional to 12,348,426.56, 18,512,749.13 and 5,868,249.98 is: 8,797,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,426.56 : 18,512,749.13 = 5,868,249.98 : x
  2. Step 2: Convert to fraction form
    12,348,426.56/18,512,749.13 = 5,868,249.98/x
  3. Step 3: Cross multiply
    12,348,426.56x = 18,512,749.13 × 5,868,249.98
  4. Step 4: Simplify right side
    12,348,426.56x = 108,637,439,589,962.52
  5. Step 5: Solve for x
    x = 108,637,439,589,962.52/12,348,426.56
  6. Step 6: Final answer
    x = 8,797,674.68

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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.