Home / 13,145,563.08-18,140,542.20-7,344,388.23

Finding the Fourth Proportional to 13,145,563.08, 18,140,542.20 and 7,344,388.23

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Solution

The fourth proportional to 13,145,563.08, 18,140,542.20 and 7,344,388.23 is: 10,135,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,563.08 : 18,140,542.20 = 7,344,388.23 : x
  2. Step 2: Convert to fraction form
    13,145,563.08/18,140,542.20 = 7,344,388.23/x
  3. Step 3: Cross multiply
    13,145,563.08x = 18,140,542.20 × 7,344,388.23
  4. Step 4: Simplify right side
    13,145,563.08x = 133,231,184,619,498.31
  5. Step 5: Solve for x
    x = 133,231,184,619,498.31/13,145,563.08
  6. Step 6: Final answer
    x = 10,135,068.68

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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.