Home / 13,587,583.21-20,394,144.27-7,115,304.10

Finding the Fourth Proportional to 13,587,583.21, 20,394,144.27 and 7,115,304.10

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Solution

The fourth proportional to 13,587,583.21, 20,394,144.27 and 7,115,304.10 is: 10,679,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,583.21 : 20,394,144.27 = 7,115,304.10 : x
  2. Step 2: Convert to fraction form
    13,587,583.21/20,394,144.27 = 7,115,304.10/x
  3. Step 3: Cross multiply
    13,587,583.21x = 20,394,144.27 × 7,115,304.10
  4. Step 4: Simplify right side
    13,587,583.21x = 145,110,538,404,950.06
  5. Step 5: Solve for x
    x = 145,110,538,404,950.06/13,587,583.21
  6. Step 6: Final answer
    x = 10,679,643.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.