Home / 8,378,268.58-12,555,685.98-4,531,783.90

Finding the Fourth Proportional to 8,378,268.58, 12,555,685.98 and 4,531,783.90

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Solution

The fourth proportional to 8,378,268.58, 12,555,685.98 and 4,531,783.90 is: 6,791,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,268.58 : 12,555,685.98 = 4,531,783.90 : x
  2. Step 2: Convert to fraction form
    8,378,268.58/12,555,685.98 = 4,531,783.90/x
  3. Step 3: Cross multiply
    8,378,268.58x = 12,555,685.98 × 4,531,783.90
  4. Step 4: Simplify right side
    8,378,268.58x = 56,899,655,577,619.73
  5. Step 5: Solve for x
    x = 56,899,655,577,619.73/8,378,268.58
  6. Step 6: Final answer
    x = 6,791,338.21

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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.