Home / 13,337,550.90-18,399,048.48-8,434,515.60

Finding the Fourth Proportional to 13,337,550.90, 18,399,048.48 and 8,434,515.60

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Solution

The fourth proportional to 13,337,550.90, 18,399,048.48 and 8,434,515.60 is: 11,635,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,550.90 : 18,399,048.48 = 8,434,515.60 : x
  2. Step 2: Convert to fraction form
    13,337,550.90/18,399,048.48 = 8,434,515.60/x
  3. Step 3: Cross multiply
    13,337,550.90x = 18,399,048.48 × 8,434,515.60
  4. Step 4: Simplify right side
    13,337,550.90x = 155,187,061,429,716.28
  5. Step 5: Solve for x
    x = 155,187,061,429,716.28/13,337,550.90
  6. Step 6: Final answer
    x = 11,635,349.14

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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.