Home / 12,005,381.88-17,997,038.36-4,327,147.80

Finding the Fourth Proportional to 12,005,381.88, 17,997,038.36 and 4,327,147.80

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Solution

The fourth proportional to 12,005,381.88, 17,997,038.36 and 4,327,147.80 is: 6,486,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,381.88 : 17,997,038.36 = 4,327,147.80 : x
  2. Step 2: Convert to fraction form
    12,005,381.88/17,997,038.36 = 4,327,147.80/x
  3. Step 3: Cross multiply
    12,005,381.88x = 17,997,038.36 × 4,327,147.80
  4. Step 4: Simplify right side
    12,005,381.88x = 77,875,844,945,989.61
  5. Step 5: Solve for x
    x = 77,875,844,945,989.61/12,005,381.88
  6. Step 6: Final answer
    x = 6,486,744.51

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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.