Home / 13,086,343.80-18,047,398.08-8,192,012.07

Finding the Fourth Proportional to 13,086,343.80, 18,047,398.08 and 8,192,012.07

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Solution

The fourth proportional to 13,086,343.80, 18,047,398.08 and 8,192,012.07 is: 11,297,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,343.80 : 18,047,398.08 = 8,192,012.07 : x
  2. Step 2: Convert to fraction form
    13,086,343.80/18,047,398.08 = 8,192,012.07/x
  3. Step 3: Cross multiply
    13,086,343.80x = 18,047,398.08 × 8,192,012.07
  4. Step 4: Simplify right side
    13,086,343.80x = 147,844,502,903,454.81
  5. Step 5: Solve for x
    x = 147,844,502,903,454.81/13,086,343.80
  6. Step 6: Final answer
    x = 11,297,617.21

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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.