Home / 21,806,105.70-30,092,624.88-12,016,901.12

Finding the Fourth Proportional to 21,806,105.70, 30,092,624.88 and 12,016,901.12

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Solution

The fourth proportional to 21,806,105.70, 30,092,624.88 and 12,016,901.12 is: 16,583,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,105.70 : 30,092,624.88 = 12,016,901.12 : x
  2. Step 2: Convert to fraction form
    21,806,105.70/30,092,624.88 = 12,016,901.12/x
  3. Step 3: Cross multiply
    21,806,105.70x = 30,092,624.88 × 12,016,901.12
  4. Step 4: Simplify right side
    21,806,105.70x = 361,620,097,624,211.81
  5. Step 5: Solve for x
    x = 361,620,097,624,211.81/21,806,105.70
  6. Step 6: Final answer
    x = 16,583,433.22

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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.