Home / 13,378,495.10-18,444,755-9,654,200.54

Finding the Fourth Proportional to 13,378,495.10, 18,444,755 and 9,654,200.54

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Solution

The fourth proportional to 13,378,495.10, 18,444,755 and 9,654,200.54 is: 13,310,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,495.10 : 18,444,755 = 9,654,200.54 : x
  2. Step 2: Convert to fraction form
    13,378,495.10/18,444,755 = 9,654,200.54/x
  3. Step 3: Cross multiply
    13,378,495.10x = 18,444,755 × 9,654,200.54
  4. Step 4: Simplify right side
    13,378,495.10x = 178,069,363,681,167.69
  5. Step 5: Solve for x
    x = 178,069,363,681,167.69/13,378,495.10
  6. Step 6: Final answer
    x = 13,310,119.14

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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.