Home / 12,483,821.25-18,725,731.88-3,508,373.25

Finding the Fourth Proportional to 12,483,821.25, 18,725,731.88 and 3,508,373.25

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Solution

The fourth proportional to 12,483,821.25, 18,725,731.88 and 3,508,373.25 is: 5,262,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,821.25 : 18,725,731.88 = 3,508,373.25 : x
  2. Step 2: Convert to fraction form
    12,483,821.25/18,725,731.88 = 3,508,373.25/x
  3. Step 3: Cross multiply
    12,483,821.25x = 18,725,731.88 × 3,508,373.25
  4. Step 4: Simplify right side
    12,483,821.25x = 65,696,856,796,922.34
  5. Step 5: Solve for x
    x = 65,696,856,796,922.34/12,483,821.25
  6. Step 6: Final answer
    x = 5,262,559.88

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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.