Home / 13,404,499.20-18,498,289.92-7,292,972.16

Finding the Fourth Proportional to 13,404,499.20, 18,498,289.92 and 7,292,972.16

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Solution

The fourth proportional to 13,404,499.20, 18,498,289.92 and 7,292,972.16 is: 10,064,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,499.20 : 18,498,289.92 = 7,292,972.16 : x
  2. Step 2: Convert to fraction form
    13,404,499.20/18,498,289.92 = 7,292,972.16/x
  3. Step 3: Cross multiply
    13,404,499.20x = 18,498,289.92 × 7,292,972.16
  4. Step 4: Simplify right side
    13,404,499.20x = 134,907,513,394,168.64
  5. Step 5: Solve for x
    x = 134,907,513,394,168.64/13,404,499.20
  6. Step 6: Final answer
    x = 10,064,345.66

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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.