Home / 21,561,077.19-32,290,057.08-12,435,508.64

Finding the Fourth Proportional to 21,561,077.19, 32,290,057.08 and 12,435,508.64

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Solution

The fourth proportional to 21,561,077.19, 32,290,057.08 and 12,435,508.64 is: 18,623,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,077.19 : 32,290,057.08 = 12,435,508.64 : x
  2. Step 2: Convert to fraction form
    21,561,077.19/32,290,057.08 = 12,435,508.64/x
  3. Step 3: Cross multiply
    21,561,077.19x = 32,290,057.08 × 12,435,508.64
  4. Step 4: Simplify right side
    21,561,077.19x = 401,543,283,642,982.88
  5. Step 5: Solve for x
    x = 401,543,283,642,982.88/21,561,077.19
  6. Step 6: Final answer
    x = 18,623,526.09

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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.