Home / 13,305,522.72-19,960,745.82-4,209,910.02

Finding the Fourth Proportional to 13,305,522.72, 19,960,745.82 and 4,209,910.02

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Solution

The fourth proportional to 13,305,522.72, 19,960,745.82 and 4,209,910.02 is: 6,315,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,522.72 : 19,960,745.82 = 4,209,910.02 : x
  2. Step 2: Convert to fraction form
    13,305,522.72/19,960,745.82 = 4,209,910.02/x
  3. Step 3: Cross multiply
    13,305,522.72x = 19,960,745.82 × 4,209,910.02
  4. Step 4: Simplify right side
    13,305,522.72x = 84,032,943,834,291.11
  5. Step 5: Solve for x
    x = 84,032,943,834,291.11/13,305,522.72
  6. Step 6: Final answer
    x = 6,315,643.93

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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.