Home / 8,125,577.40-12,188,366.10-2,732,435.40

Finding the Fourth Proportional to 8,125,577.40, 12,188,366.10 and 2,732,435.40

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Solution

The fourth proportional to 8,125,577.40, 12,188,366.10 and 2,732,435.40 is: 4,098,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,577.40 : 12,188,366.10 = 2,732,435.40 : x
  2. Step 2: Convert to fraction form
    8,125,577.40/12,188,366.10 = 2,732,435.40/x
  3. Step 3: Cross multiply
    8,125,577.40x = 12,188,366.10 × 2,732,435.40
  4. Step 4: Simplify right side
    8,125,577.40x = 33,303,922,999,799.94
  5. Step 5: Solve for x
    x = 33,303,922,999,799.94/8,125,577.40
  6. Step 6: Final answer
    x = 4,098,653.10

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Similar ratio
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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.