Home / 12,342,800.08-18,515,418.30-4,254,710.92

Finding the Fourth Proportional to 12,342,800.08, 18,515,418.30 and 4,254,710.92

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Solution

The fourth proportional to 12,342,800.08, 18,515,418.30 and 4,254,710.92 is: 6,382,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,800.08 : 18,515,418.30 = 4,254,710.92 : x
  2. Step 2: Convert to fraction form
    12,342,800.08/18,515,418.30 = 4,254,710.92/x
  3. Step 3: Cross multiply
    12,342,800.08x = 18,515,418.30 × 4,254,710.92
  4. Step 4: Simplify right side
    12,342,800.08x = 78,777,752,429,377.84
  5. Step 5: Solve for x
    x = 78,777,752,429,377.84/12,342,800.08
  6. Step 6: Final answer
    x = 6,382,486.30

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1.5x scale

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.