Home / 13,209,277.69-18,230,795.72-8,055,628.80

Finding the Fourth Proportional to 13,209,277.69, 18,230,795.72 and 8,055,628.80

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Solution

The fourth proportional to 13,209,277.69, 18,230,795.72 and 8,055,628.80 is: 11,117,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,277.69 : 18,230,795.72 = 8,055,628.80 : x
  2. Step 2: Convert to fraction form
    13,209,277.69/18,230,795.72 = 8,055,628.80/x
  3. Step 3: Cross multiply
    13,209,277.69x = 18,230,795.72 × 8,055,628.80
  4. Step 4: Simplify right side
    13,209,277.69x = 146,860,523,048,948.72
  5. Step 5: Solve for x
    x = 146,860,523,048,948.72/13,209,277.69
  6. Step 6: Final answer
    x = 11,117,982.87

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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.