Home / 21,950,548.80-32,925,823.20-20,718,830.40

Finding the Fourth Proportional to 21,950,548.80, 32,925,823.20 and 20,718,830.40

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Solution

The fourth proportional to 21,950,548.80, 32,925,823.20 and 20,718,830.40 is: 31,078,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950,548.80 : 32,925,823.20 = 20,718,830.40 : x
  2. Step 2: Convert to fraction form
    21,950,548.80/32,925,823.20 = 20,718,830.40/x
  3. Step 3: Cross multiply
    21,950,548.80x = 32,925,823.20 × 20,718,830.40
  4. Step 4: Simplify right side
    21,950,548.80x = 682,184,546,661,185.25
  5. Step 5: Solve for x
    x = 682,184,546,661,185.25/21,950,548.80
  6. Step 6: Final answer
    x = 31,078,245.60

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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.