Home / 28,733,079.90-43,099,506.45-8,538,321.90

Finding the Fourth Proportional to 28,733,079.90, 43,099,506.45 and 8,538,321.90

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Solution

The fourth proportional to 28,733,079.90, 43,099,506.45 and 8,538,321.90 is: 12,807,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,079.90 : 43,099,506.45 = 8,538,321.90 : x
  2. Step 2: Convert to fraction form
    28,733,079.90/43,099,506.45 = 8,538,321.90/x
  3. Step 3: Cross multiply
    28,733,079.90x = 43,099,506.45 × 8,538,321.90
  4. Step 4: Simplify right side
    28,733,079.90x = 367,997,459,801,226.31
  5. Step 5: Solve for x
    x = 367,997,459,801,226.31/28,733,079.90
  6. Step 6: Final answer
    x = 12,807,449.15

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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.