Home / 13,167,233.01-18,170,808.12-7,366,111.65

Finding the Fourth Proportional to 13,167,233.01, 18,170,808.12 and 7,366,111.65

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Solution

The fourth proportional to 13,167,233.01, 18,170,808.12 and 7,366,111.65 is: 10,165,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,233.01 : 18,170,808.12 = 7,366,111.65 : x
  2. Step 2: Convert to fraction form
    13,167,233.01/18,170,808.12 = 7,366,111.65/x
  3. Step 3: Cross multiply
    13,167,233.01x = 18,170,808.12 × 7,366,111.65
  4. Step 4: Simplify right side
    13,167,233.01x = 133,848,201,382,646.61
  5. Step 5: Solve for x
    x = 133,848,201,382,646.61/13,167,233.01
  6. Step 6: Final answer
    x = 10,165,248.94

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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.