Home / 21,705,701.80-32,563,218.30-6,561,164.20

Finding the Fourth Proportional to 21,705,701.80, 32,563,218.30 and 6,561,164.20

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Solution

The fourth proportional to 21,705,701.80, 32,563,218.30 and 6,561,164.20 is: 9,843,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,701.80 : 32,563,218.30 = 6,561,164.20 : x
  2. Step 2: Convert to fraction form
    21,705,701.80/32,563,218.30 = 6,561,164.20/x
  3. Step 3: Cross multiply
    21,705,701.80x = 32,563,218.30 × 6,561,164.20
  4. Step 4: Simplify right side
    21,705,701.80x = 213,652,622,146,744.88
  5. Step 5: Solve for x
    x = 213,652,622,146,744.88/21,705,701.80
  6. Step 6: Final answer
    x = 9,843,156.61

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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.