Home / 12,027,655.72-18,045,494.16-8,000,021.80

Finding the Fourth Proportional to 12,027,655.72, 18,045,494.16 and 8,000,021.80

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Solution

The fourth proportional to 12,027,655.72, 18,045,494.16 and 8,000,021.80 is: 12,002,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027,655.72 : 18,045,494.16 = 8,000,021.80 : x
  2. Step 2: Convert to fraction form
    12,027,655.72/18,045,494.16 = 8,000,021.80/x
  3. Step 3: Cross multiply
    12,027,655.72x = 18,045,494.16 × 8,000,021.80
  4. Step 4: Simplify right side
    12,027,655.72x = 144,364,346,671,772.69
  5. Step 5: Solve for x
    x = 144,364,346,671,772.69/12,027,655.72
  6. Step 6: Final answer
    x = 12,002,700.28

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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.