Home / 12,476,983.20-18,714,092.40-10,229,200.80

Finding the Fourth Proportional to 12,476,983.20, 18,714,092.40 and 10,229,200.80

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Solution

The fourth proportional to 12,476,983.20, 18,714,092.40 and 10,229,200.80 is: 15,342,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,983.20 : 18,714,092.40 = 10,229,200.80 : x
  2. Step 2: Convert to fraction form
    12,476,983.20/18,714,092.40 = 10,229,200.80/x
  3. Step 3: Cross multiply
    12,476,983.20x = 18,714,092.40 × 10,229,200.80
  4. Step 4: Simplify right side
    12,476,983.20x = 191,430,208,949,353.91
  5. Step 5: Solve for x
    x = 191,430,208,949,353.91/12,476,983.20
  6. Step 6: Final answer
    x = 15,342,667.85

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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.