Home / 19,660,408.87-27,143,002.53-17,478,926.60

Finding the Fourth Proportional to 19,660,408.87, 27,143,002.53 and 17,478,926.60

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Solution

The fourth proportional to 19,660,408.87, 27,143,002.53 and 17,478,926.60 is: 24,131,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660,408.87 : 27,143,002.53 = 17,478,926.60 : x
  2. Step 2: Convert to fraction form
    19,660,408.87/27,143,002.53 = 17,478,926.60/x
  3. Step 3: Cross multiply
    19,660,408.87x = 27,143,002.53 × 17,478,926.60
  4. Step 4: Simplify right side
    19,660,408.87x = 474,430,548,925,484.38
  5. Step 5: Solve for x
    x = 474,430,548,925,484.38/19,660,408.87
  6. Step 6: Final answer
    x = 24,131,265.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.