Home / 30,285,537.30-45,428,305.95-18,192,302.10

Finding the Fourth Proportional to 30,285,537.30, 45,428,305.95 and 18,192,302.10

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Solution

The fourth proportional to 30,285,537.30, 45,428,305.95 and 18,192,302.10 is: 27,288,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,537.30 : 45,428,305.95 = 18,192,302.10 : x
  2. Step 2: Convert to fraction form
    30,285,537.30/45,428,305.95 = 18,192,302.10/x
  3. Step 3: Cross multiply
    30,285,537.30x = 45,428,305.95 × 18,192,302.10
  4. Step 4: Simplify right side
    30,285,537.30x = 826,445,465,733,627.62
  5. Step 5: Solve for x
    x = 826,445,465,733,627.62/30,285,537.30
  6. Step 6: Final answer
    x = 27,288,453.15

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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.