Home / 12,331,333.30-18,496,999.95-3,812,530.90

Finding the Fourth Proportional to 12,331,333.30, 18,496,999.95 and 3,812,530.90

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Solution

The fourth proportional to 12,331,333.30, 18,496,999.95 and 3,812,530.90 is: 5,718,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,333.30 : 18,496,999.95 = 3,812,530.90 : x
  2. Step 2: Convert to fraction form
    12,331,333.30/18,496,999.95 = 3,812,530.90/x
  3. Step 3: Cross multiply
    12,331,333.30x = 18,496,999.95 × 3,812,530.90
  4. Step 4: Simplify right side
    12,331,333.30x = 70,520,383,866,673.45
  5. Step 5: Solve for x
    x = 70,520,383,866,673.45/12,331,333.30
  6. Step 6: Final answer
    x = 5,718,796.35

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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.