Home / 13,587,588.74-20,394,152.57-7,115,309.64

Finding the Fourth Proportional to 13,587,588.74, 20,394,152.57 and 7,115,309.64

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Solution

The fourth proportional to 13,587,588.74, 20,394,152.57 and 7,115,309.64 is: 10,679,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,588.74 : 20,394,152.57 = 7,115,309.64 : x
  2. Step 2: Convert to fraction form
    13,587,588.74/20,394,152.57 = 7,115,309.64/x
  3. Step 3: Cross multiply
    13,587,588.74x = 20,394,152.57 × 7,115,309.64
  4. Step 4: Simplify right side
    13,587,588.74x = 145,110,710,345,375.22
  5. Step 5: Solve for x
    x = 145,110,710,345,375.22/13,587,588.74
  6. Step 6: Final answer
    x = 10,679,651.35

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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.