Home / 13,751,151.49-18,975,478.19-7,950,307.13

Finding the Fourth Proportional to 13,751,151.49, 18,975,478.19 and 7,950,307.13

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Solution

The fourth proportional to 13,751,151.49, 18,975,478.19 and 7,950,307.13 is: 10,970,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751,151.49 : 18,975,478.19 = 7,950,307.13 : x
  2. Step 2: Convert to fraction form
    13,751,151.49/18,975,478.19 = 7,950,307.13/x
  3. Step 3: Cross multiply
    13,751,151.49x = 18,975,478.19 × 7,950,307.13
  4. Step 4: Simplify right side
    13,751,151.49x = 150,860,879,549,116.50
  5. Step 5: Solve for x
    x = 150,860,879,549,116.50/13,751,151.49
  6. Step 6: Final answer
    x = 10,970,781.59

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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.