Home / 12,296,739.60-18,456,263.10-6,235,687.80

Finding the Fourth Proportional to 12,296,739.60, 18,456,263.10 and 6,235,687.80

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Solution

The fourth proportional to 12,296,739.60, 18,456,263.10 and 6,235,687.80 is: 9,359,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,739.60 : 18,456,263.10 = 6,235,687.80 : x
  2. Step 2: Convert to fraction form
    12,296,739.60/18,456,263.10 = 6,235,687.80/x
  3. Step 3: Cross multiply
    12,296,739.60x = 18,456,263.10 × 6,235,687.80
  4. Step 4: Simplify right side
    12,296,739.60x = 115,087,494,646,260.19
  5. Step 5: Solve for x
    x = 115,087,494,646,260.19/12,296,739.60
  6. Step 6: Final answer
    x = 9,359,187.75

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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.