Home / 21,873,638.80-32,794,711.80-12,291,954.40

Finding the Fourth Proportional to 21,873,638.80, 32,794,711.80 and 12,291,954.40

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Solution

The fourth proportional to 21,873,638.80, 32,794,711.80 and 12,291,954.40 is: 18,429,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,638.80 : 32,794,711.80 = 12,291,954.40 : x
  2. Step 2: Convert to fraction form
    21,873,638.80/32,794,711.80 = 12,291,954.40/x
  3. Step 3: Cross multiply
    21,873,638.80x = 32,794,711.80 × 12,291,954.40
  4. Step 4: Simplify right side
    21,873,638.80x = 403,111,102,006,741.94
  5. Step 5: Solve for x
    x = 403,111,102,006,741.94/21,873,638.80
  6. Step 6: Final answer
    x = 18,429,082.87

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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.