Home / 8,012,514-12,019,325.52-3,220,207.28

Finding the Fourth Proportional to 8,012,514, 12,019,325.52 and 3,220,207.28

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Solution

The fourth proportional to 8,012,514, 12,019,325.52 and 3,220,207.28 is: 4,830,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,514 : 12,019,325.52 = 3,220,207.28 : x
  2. Step 2: Convert to fraction form
    8,012,514/12,019,325.52 = 3,220,207.28/x
  3. Step 3: Cross multiply
    8,012,514x = 12,019,325.52 × 3,220,207.28
  4. Step 4: Simplify right side
    8,012,514x = 38,704,719,540,193.78
  5. Step 5: Solve for x
    x = 38,704,719,540,193.78/8,012,514
  6. Step 6: Final answer
    x = 4,830,533.78

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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.