Home / 13,209,276.69-18,230,794.34-8,055,627.80

Finding the Fourth Proportional to 13,209,276.69, 18,230,794.34 and 8,055,627.80

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Solution

The fourth proportional to 13,209,276.69, 18,230,794.34 and 8,055,627.80 is: 11,117,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,276.69 : 18,230,794.34 = 8,055,627.80 : x
  2. Step 2: Convert to fraction form
    13,209,276.69/18,230,794.34 = 8,055,627.80/x
  3. Step 3: Cross multiply
    13,209,276.69x = 18,230,794.34 × 8,055,627.80
  4. Step 4: Simplify right side
    13,209,276.69x = 146,860,493,569,954.56
  5. Step 5: Solve for x
    x = 146,860,493,569,954.56/13,209,276.69
  6. Step 6: Final answer
    x = 11,117,981.48

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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.