Home / 21,738,058.65-32,607,087.98-20,805,084.45

Finding the Fourth Proportional to 21,738,058.65, 32,607,087.98 and 20,805,084.45

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Solution

The fourth proportional to 21,738,058.65, 32,607,087.98 and 20,805,084.45 is: 31,207,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738,058.65 : 32,607,087.98 = 20,805,084.45 : x
  2. Step 2: Convert to fraction form
    21,738,058.65/32,607,087.98 = 20,805,084.45/x
  3. Step 3: Cross multiply
    21,738,058.65x = 32,607,087.98 × 20,805,084.45
  4. Step 4: Simplify right side
    21,738,058.65x = 678,393,218,988,454.50
  5. Step 5: Solve for x
    x = 678,393,218,988,454.50/21,738,058.65
  6. Step 6: Final answer
    x = 31,207,626.68

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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.