Home / 13,566,588.48-18,722,936.16-7,767,195.84

Finding the Fourth Proportional to 13,566,588.48, 18,722,936.16 and 7,767,195.84

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Solution

The fourth proportional to 13,566,588.48, 18,722,936.16 and 7,767,195.84 is: 10,719,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566,588.48 : 18,722,936.16 = 7,767,195.84 : x
  2. Step 2: Convert to fraction form
    13,566,588.48/18,722,936.16 = 7,767,195.84/x
  3. Step 3: Cross multiply
    13,566,588.48x = 18,722,936.16 × 7,767,195.84
  4. Step 4: Simplify right side
    13,566,588.48x = 145,424,711,854,537.56
  5. Step 5: Solve for x
    x = 145,424,711,854,537.56/13,566,588.48
  6. Step 6: Final answer
    x = 10,719,328.01

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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.