Home / 13,751,153.50-18,975,480.94-7,950,309.14

Finding the Fourth Proportional to 13,751,153.50, 18,975,480.94 and 7,950,309.14

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Solution

The fourth proportional to 13,751,153.50, 18,975,480.94 and 7,950,309.14 is: 10,970,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751,153.50 : 18,975,480.94 = 7,950,309.14 : x
  2. Step 2: Convert to fraction form
    13,751,153.50/18,975,480.94 = 7,950,309.14/x
  3. Step 3: Cross multiply
    13,751,153.50x = 18,975,480.94 × 7,950,309.14
  4. Step 4: Simplify right side
    13,751,153.50x = 150,860,939,553,177.78
  5. Step 5: Solve for x
    x = 150,860,939,553,177.78/13,751,153.50
  6. Step 6: Final answer
    x = 10,970,784.35

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1.5x scale

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.