Home / 28,733,066.40-43,099,486.20-8,538,308.40

Finding the Fourth Proportional to 28,733,066.40, 43,099,486.20 and 8,538,308.40

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Solution

The fourth proportional to 28,733,066.40, 43,099,486.20 and 8,538,308.40 is: 12,807,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,066.40 : 43,099,486.20 = 8,538,308.40 : x
  2. Step 2: Convert to fraction form
    28,733,066.40/43,099,486.20 = 8,538,308.40/x
  3. Step 3: Cross multiply
    28,733,066.40x = 43,099,486.20 × 8,538,308.40
  4. Step 4: Simplify right side
    28,733,066.40x = 367,996,705,057,144.12
  5. Step 5: Solve for x
    x = 367,996,705,057,144.12/28,733,066.40
  6. Step 6: Final answer
    x = 12,807,428.90

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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.