Home / 13,057,666.26-18,018,148.54-7,550,207.65

Finding the Fourth Proportional to 13,057,666.26, 18,018,148.54 and 7,550,207.65

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Solution

The fourth proportional to 13,057,666.26, 18,018,148.54 and 7,550,207.65 is: 10,418,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,666.26 : 18,018,148.54 = 7,550,207.65 : x
  2. Step 2: Convert to fraction form
    13,057,666.26/18,018,148.54 = 7,550,207.65/x
  3. Step 3: Cross multiply
    13,057,666.26x = 18,018,148.54 × 7,550,207.65
  4. Step 4: Simplify right side
    13,057,666.26x = 136,040,762,945,544.33
  5. Step 5: Solve for x
    x = 136,040,762,945,544.33/13,057,666.26
  6. Step 6: Final answer
    x = 10,418,459.18

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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.