Home / 12,530,282.61-18,795,440.04-3,432,460.23

Finding the Fourth Proportional to 12,530,282.61, 18,795,440.04 and 3,432,460.23

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Solution

The fourth proportional to 12,530,282.61, 18,795,440.04 and 3,432,460.23 is: 5,148,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,282.61 : 18,795,440.04 = 3,432,460.23 : x
  2. Step 2: Convert to fraction form
    12,530,282.61/18,795,440.04 = 3,432,460.23/x
  3. Step 3: Cross multiply
    12,530,282.61x = 18,795,440.04 × 3,432,460.23
  4. Step 4: Simplify right side
    12,530,282.61x = 64,514,600,442,649.61
  5. Step 5: Solve for x
    x = 64,514,600,442,649.61/12,530,282.61
  6. Step 6: Final answer
    x = 5,148,694.76

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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.