Home / 20,834,104.57-28,745,870.30-12,016,252.83

Finding the Fourth Proportional to 20,834,104.57, 28,745,870.30 and 12,016,252.83

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Solution

The fourth proportional to 20,834,104.57, 28,745,870.30 and 12,016,252.83 is: 16,579,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,104.57 : 28,745,870.30 = 12,016,252.83 : x
  2. Step 2: Convert to fraction form
    20,834,104.57/28,745,870.30 = 12,016,252.83/x
  3. Step 3: Cross multiply
    20,834,104.57x = 28,745,870.30 × 12,016,252.83
  4. Step 4: Simplify right side
    20,834,104.57x = 345,417,645,343,187.94
  5. Step 5: Solve for x
    x = 345,417,645,343,187.94/20,834,104.57
  6. Step 6: Final answer
    x = 16,579,433.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.