Home / 12,296,066.20-18,455,909.10-6,237,638.80

Finding the Fourth Proportional to 12,296,066.20, 18,455,909.10 and 6,237,638.80

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Solution

The fourth proportional to 12,296,066.20, 18,455,909.10 and 6,237,638.80 is: 9,362,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,066.20 : 18,455,909.10 = 6,237,638.80 : x
  2. Step 2: Convert to fraction form
    12,296,066.20/18,455,909.10 = 6,237,638.80/x
  3. Step 3: Cross multiply
    12,296,066.20x = 18,455,909.10 × 6,237,638.80
  4. Step 4: Simplify right side
    12,296,066.20x = 115,121,294,691,433.08
  5. Step 5: Solve for x
    x = 115,121,294,691,433.08/12,296,066.20
  6. Step 6: Final answer
    x = 9,362,449.16

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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.