Home / 12,215,351.17-18,323,016.33-3,117,448.03

Finding the Fourth Proportional to 12,215,351.17, 18,323,016.33 and 3,117,448.03

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Solution

The fourth proportional to 12,215,351.17, 18,323,016.33 and 3,117,448.03 is: 4,676,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,351.17 : 18,323,016.33 = 3,117,448.03 : x
  2. Step 2: Convert to fraction form
    12,215,351.17/18,323,016.33 = 3,117,448.03/x
  3. Step 3: Cross multiply
    12,215,351.17x = 18,323,016.33 × 3,117,448.03
  4. Step 4: Simplify right side
    12,215,351.17x = 57,121,051,144,319.23
  5. Step 5: Solve for x
    x = 57,121,051,144,319.23/12,215,351.17
  6. Step 6: Final answer
    x = 4,676,169.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.