Home / 13,400,929.92-18,496,567.68-7,603,105.28

Finding the Fourth Proportional to 13,400,929.92, 18,496,567.68 and 7,603,105.28

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Solution

The fourth proportional to 13,400,929.92, 18,496,567.68 and 7,603,105.28 is: 10,494,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,929.92 : 18,496,567.68 = 7,603,105.28 : x
  2. Step 2: Convert to fraction form
    13,400,929.92/18,496,567.68 = 7,603,105.28/x
  3. Step 3: Cross multiply
    13,400,929.92x = 18,496,567.68 × 7,603,105.28
  4. Step 4: Simplify right side
    13,400,929.92x = 140,631,351,389,685.36
  5. Step 5: Solve for x
    x = 140,631,351,389,685.36/13,400,929.92
  6. Step 6: Final answer
    x = 10,494,148.71

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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.