Home / 21,093,755.62-31,643,574.54-6,521,864.80

Finding the Fourth Proportional to 21,093,755.62, 31,643,574.54 and 6,521,864.80

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Solution

The fourth proportional to 21,093,755.62, 31,643,574.54 and 6,521,864.80 is: 9,783,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093,755.62 : 31,643,574.54 = 6,521,864.80 : x
  2. Step 2: Convert to fraction form
    21,093,755.62/31,643,574.54 = 6,521,864.80/x
  3. Step 3: Cross multiply
    21,093,755.62x = 31,643,574.54 × 6,521,864.80
  4. Step 4: Simplify right side
    21,093,755.62x = 206,375,114,938,602.19
  5. Step 5: Solve for x
    x = 206,375,114,938,602.19/21,093,755.62
  6. Step 6: Final answer
    x = 9,783,706.55

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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.