Home / 21,998,981.70-33,029,965.35-12,433,043.70

Finding the Fourth Proportional to 21,998,981.70, 33,029,965.35 and 12,433,043.70

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Solution

The fourth proportional to 21,998,981.70, 33,029,965.35 and 12,433,043.70 is: 18,667,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998,981.70 : 33,029,965.35 = 12,433,043.70 : x
  2. Step 2: Convert to fraction form
    21,998,981.70/33,029,965.35 = 12,433,043.70/x
  3. Step 3: Cross multiply
    21,998,981.70x = 33,029,965.35 × 12,433,043.70
  4. Step 4: Simplify right side
    21,998,981.70x = 410,663,002,606,035.81
  5. Step 5: Solve for x
    x = 410,663,002,606,035.81/21,998,981.70
  6. Step 6: Final answer
    x = 18,667,364.16

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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.