Home / 13,198,318.13-18,194,593.51-9,266,103.07

Finding the Fourth Proportional to 13,198,318.13, 18,194,593.51 and 9,266,103.07

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Solution

The fourth proportional to 13,198,318.13, 18,194,593.51 and 9,266,103.07 is: 12,773,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,318.13 : 18,194,593.51 = 9,266,103.07 : x
  2. Step 2: Convert to fraction form
    13,198,318.13/18,194,593.51 = 9,266,103.07/x
  3. Step 3: Cross multiply
    13,198,318.13x = 18,194,593.51 × 9,266,103.07
  4. Step 4: Simplify right side
    13,198,318.13x = 168,592,978,746,509.25
  5. Step 5: Solve for x
    x = 168,592,978,746,509.25/13,198,318.13
  6. Step 6: Final answer
    x = 12,773,822.93

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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.