Home / 13,424,241.78-18,524,073.06-7,542,941.94

Finding the Fourth Proportional to 13,424,241.78, 18,524,073.06 and 7,542,941.94

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Solution

The fourth proportional to 13,424,241.78, 18,524,073.06 and 7,542,941.94 is: 10,408,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,241.78 : 18,524,073.06 = 7,542,941.94 : x
  2. Step 2: Convert to fraction form
    13,424,241.78/18,524,073.06 = 7,542,941.94/x
  3. Step 3: Cross multiply
    13,424,241.78x = 18,524,073.06 × 7,542,941.94
  4. Step 4: Simplify right side
    13,424,241.78x = 139,726,007,583,898.14
  5. Step 5: Solve for x
    x = 139,726,007,583,898.14/13,424,241.78
  6. Step 6: Final answer
    x = 10,408,484.13

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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.