Home / 21,806,102.76-30,092,620.83-12,016,898.18

Finding the Fourth Proportional to 21,806,102.76, 30,092,620.83 and 12,016,898.18

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Solution

The fourth proportional to 21,806,102.76, 30,092,620.83 and 12,016,898.18 is: 16,583,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,102.76 : 30,092,620.83 = 12,016,898.18 : x
  2. Step 2: Convert to fraction form
    21,806,102.76/30,092,620.83 = 12,016,898.18/x
  3. Step 3: Cross multiply
    21,806,102.76x = 30,092,620.83 × 12,016,898.18
  4. Step 4: Simplify right side
    21,806,102.76x = 361,619,960,400,778
  5. Step 5: Solve for x
    x = 361,619,960,400,778/21,806,102.76
  6. Step 6: Final answer
    x = 16,583,429.16

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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.