Home / 11,545,329.48-15,932,696.40-6,389,170.80

Finding the Fourth Proportional to 11,545,329.48, 15,932,696.40 and 6,389,170.80

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Solution

The fourth proportional to 11,545,329.48, 15,932,696.40 and 6,389,170.80 is: 8,817,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545,329.48 : 15,932,696.40 = 6,389,170.80 : x
  2. Step 2: Convert to fraction form
    11,545,329.48/15,932,696.40 = 6,389,170.80/x
  3. Step 3: Cross multiply
    11,545,329.48x = 15,932,696.40 × 6,389,170.80
  4. Step 4: Simplify right side
    11,545,329.48x = 101,796,718,604,145.12
  5. Step 5: Solve for x
    x = 101,796,718,604,145.12/11,545,329.48
  6. Step 6: Final answer
    x = 8,817,134.13

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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.