Home / 11,545,330.48-15,932,697.78-6,389,171.80

Finding the Fourth Proportional to 11,545,330.48, 15,932,697.78 and 6,389,171.80

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Solution

The fourth proportional to 11,545,330.48, 15,932,697.78 and 6,389,171.80 is: 8,817,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545,330.48 : 15,932,697.78 = 6,389,171.80 : x
  2. Step 2: Convert to fraction form
    11,545,330.48/15,932,697.78 = 6,389,171.80/x
  3. Step 3: Cross multiply
    11,545,330.48x = 15,932,697.78 × 6,389,171.80
  4. Step 4: Simplify right side
    11,545,330.48x = 101,796,743,353,898.59
  5. Step 5: Solve for x
    x = 101,796,743,353,898.59/11,545,330.48
  6. Step 6: Final answer
    x = 8,817,135.51

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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.