Home / 18,603,415.20-27,905,122.80-13,461,723.53

Finding the Fourth Proportional to 18,603,415.20, 27,905,122.80 and 13,461,723.53

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Solution

The fourth proportional to 18,603,415.20, 27,905,122.80 and 13,461,723.53 is: 20,192,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603,415.20 : 27,905,122.80 = 13,461,723.53 : x
  2. Step 2: Convert to fraction form
    18,603,415.20/27,905,122.80 = 13,461,723.53/x
  3. Step 3: Cross multiply
    18,603,415.20x = 27,905,122.80 × 13,461,723.53
  4. Step 4: Simplify right side
    18,603,415.20x = 375,651,048,064,773.88
  5. Step 5: Solve for x
    x = 375,651,048,064,773.88/18,603,415.20
  6. Step 6: Final answer
    x = 20,192,585.29

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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.