Home / 12,841,205.16-17,719,879.50-7,333,819.68

Finding the Fourth Proportional to 12,841,205.16, 17,719,879.50 and 7,333,819.68

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Solution

The fourth proportional to 12,841,205.16, 17,719,879.50 and 7,333,819.68 is: 10,120,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,205.16 : 17,719,879.50 = 7,333,819.68 : x
  2. Step 2: Convert to fraction form
    12,841,205.16/17,719,879.50 = 7,333,819.68/x
  3. Step 3: Cross multiply
    12,841,205.16x = 17,719,879.50 × 7,333,819.68
  4. Step 4: Simplify right side
    12,841,205.16x = 129,954,401,004,328.56
  5. Step 5: Solve for x
    x = 129,954,401,004,328.56/12,841,205.16
  6. Step 6: Final answer
    x = 10,120,109.40

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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.