Home / 13,305,521.72-19,960,744.30-4,209,909

Finding the Fourth Proportional to 13,305,521.72, 19,960,744.30 and 4,209,909

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Solution

The fourth proportional to 13,305,521.72, 19,960,744.30 and 4,209,909 is: 6,315,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,521.72 : 19,960,744.30 = 4,209,909 : x
  2. Step 2: Convert to fraction form
    13,305,521.72/19,960,744.30 = 4,209,909/x
  3. Step 3: Cross multiply
    13,305,521.72x = 19,960,744.30 × 4,209,909
  4. Step 4: Simplify right side
    13,305,521.72x = 84,032,917,075,268.70
  5. Step 5: Solve for x
    x = 84,032,917,075,268.70/13,305,521.72
  6. Step 6: Final answer
    x = 6,315,642.40

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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.