Home / 11,387,669.92-15,715,117.20-6,231,133.60

Finding the Fourth Proportional to 11,387,669.92, 15,715,117.20 and 6,231,133.60

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Solution

The fourth proportional to 11,387,669.92, 15,715,117.20 and 6,231,133.60 is: 8,599,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387,669.92 : 15,715,117.20 = 6,231,133.60 : x
  2. Step 2: Convert to fraction form
    11,387,669.92/15,715,117.20 = 6,231,133.60/x
  3. Step 3: Cross multiply
    11,387,669.92x = 15,715,117.20 × 6,231,133.60
  4. Step 4: Simplify right side
    11,387,669.92x = 97,922,994,812,857.91
  5. Step 5: Solve for x
    x = 97,922,994,812,857.91/11,387,669.92
  6. Step 6: Final answer
    x = 8,599,036.98

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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.