Home / 21,919,237.92-30,260,711.04-13,219,624.32

Finding the Fourth Proportional to 21,919,237.92, 30,260,711.04 and 13,219,624.32

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Solution

The fourth proportional to 21,919,237.92, 30,260,711.04 and 13,219,624.32 is: 18,250,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,237.92 : 30,260,711.04 = 13,219,624.32 : x
  2. Step 2: Convert to fraction form
    21,919,237.92/30,260,711.04 = 13,219,624.32/x
  3. Step 3: Cross multiply
    21,919,237.92x = 30,260,711.04 × 13,219,624.32
  4. Step 4: Simplify right side
    21,919,237.92x = 400,035,231,604,876.50
  5. Step 5: Solve for x
    x = 400,035,231,604,876.50/21,919,237.92
  6. Step 6: Final answer
    x = 18,250,416.97

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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.