Home / 12,824,478.70-19,236,718.08-3,239,884.78

Finding the Fourth Proportional to 12,824,478.70, 19,236,718.08 and 3,239,884.78

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Solution

The fourth proportional to 12,824,478.70, 19,236,718.08 and 3,239,884.78 is: 4,859,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,478.70 : 19,236,718.08 = 3,239,884.78 : x
  2. Step 2: Convert to fraction form
    12,824,478.70/19,236,718.08 = 3,239,884.78/x
  3. Step 3: Cross multiply
    12,824,478.70x = 19,236,718.08 × 3,239,884.78
  4. Step 4: Simplify right side
    12,824,478.70x = 62,324,750,124,542.81
  5. Step 5: Solve for x
    x = 62,324,750,124,542.81/12,824,478.70
  6. Step 6: Final answer
    x = 4,859,827.18

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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.