Home / 13,305,266.89-18,361,233.75-7,424,839.38

Finding the Fourth Proportional to 13,305,266.89, 18,361,233.75 and 7,424,839.38

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Solution

The fourth proportional to 13,305,266.89, 18,361,233.75 and 7,424,839.38 is: 10,246,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,266.89 : 18,361,233.75 = 7,424,839.38 : x
  2. Step 2: Convert to fraction form
    13,305,266.89/18,361,233.75 = 7,424,839.38/x
  3. Step 3: Cross multiply
    13,305,266.89x = 18,361,233.75 × 7,424,839.38
  4. Step 4: Simplify right side
    13,305,266.89x = 136,329,211,312,395.22
  5. Step 5: Solve for x
    x = 136,329,211,312,395.22/13,305,266.89
  6. Step 6: Final answer
    x = 10,246,259.05

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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.