Home / 21,705,880.80-32,563,486.80-6,561,343.20

Finding the Fourth Proportional to 21,705,880.80, 32,563,486.80 and 6,561,343.20

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Solution

The fourth proportional to 21,705,880.80, 32,563,486.80 and 6,561,343.20 is: 9,843,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,880.80 : 32,563,486.80 = 6,561,343.20 : x
  2. Step 2: Convert to fraction form
    21,705,880.80/32,563,486.80 = 6,561,343.20/x
  3. Step 3: Cross multiply
    21,705,880.80x = 32,563,486.80 × 6,561,343.20
  4. Step 4: Simplify right side
    21,705,880.80x = 213,660,212,683,469.78
  5. Step 5: Solve for x
    x = 213,660,212,683,469.78/21,705,880.80
  6. Step 6: Final answer
    x = 9,843,425.14

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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.