Home / 28,425,793.66-42,638,697.76-7,958,528.56

Finding the Fourth Proportional to 28,425,793.66, 42,638,697.76 and 7,958,528.56

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Solution

The fourth proportional to 28,425,793.66, 42,638,697.76 and 7,958,528.56 is: 11,937,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,793.66 : 42,638,697.76 = 7,958,528.56 : x
  2. Step 2: Convert to fraction form
    28,425,793.66/42,638,697.76 = 7,958,528.56/x
  3. Step 3: Cross multiply
    28,425,793.66x = 42,638,697.76 × 7,958,528.56
  4. Step 4: Simplify right side
    28,425,793.66x = 339,341,293,884,168
  5. Step 5: Solve for x
    x = 339,341,293,884,168/28,425,793.66
  6. Step 6: Final answer
    x = 11,937,794.88

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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.