Home / 8,012,612.07-12,019,472.15-3,220,305.39

Finding the Fourth Proportional to 8,012,612.07, 12,019,472.15 and 3,220,305.39

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Solution

The fourth proportional to 8,012,612.07, 12,019,472.15 and 3,220,305.39 is: 4,830,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,612.07 : 12,019,472.15 = 3,220,305.39 : x
  2. Step 2: Convert to fraction form
    8,012,612.07/12,019,472.15 = 3,220,305.39/x
  3. Step 3: Cross multiply
    8,012,612.07x = 12,019,472.15 × 3,220,305.39
  4. Step 4: Simplify right side
    8,012,612.07x = 38,706,370,933,498.36
  5. Step 5: Solve for x
    x = 38,706,370,933,498.36/8,012,612.07
  6. Step 6: Final answer
    x = 4,830,680.76

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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.