Home / 13,808,343.56-20,713,345.94-4,223,805.12

Finding the Fourth Proportional to 13,808,343.56, 20,713,345.94 and 4,223,805.12

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Solution

The fourth proportional to 13,808,343.56, 20,713,345.94 and 4,223,805.12 is: 6,335,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,343.56 : 20,713,345.94 = 4,223,805.12 : x
  2. Step 2: Convert to fraction form
    13,808,343.56/20,713,345.94 = 4,223,805.12/x
  3. Step 3: Cross multiply
    13,808,343.56x = 20,713,345.94 × 4,223,805.12
  4. Step 4: Simplify right side
    13,808,343.56x = 87,489,136,633,703.22
  5. Step 5: Solve for x
    x = 87,489,136,633,703.22/13,808,343.56
  6. Step 6: Final answer
    x = 6,335,961.75

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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.