Home / 19,251,178.25-28,876,495.26-4,678,204.88

Finding the Fourth Proportional to 19,251,178.25, 28,876,495.26 and 4,678,204.88

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Solution

The fourth proportional to 19,251,178.25, 28,876,495.26 and 4,678,204.88 is: 7,017,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,178.25 : 28,876,495.26 = 4,678,204.88 : x
  2. Step 2: Convert to fraction form
    19,251,178.25/28,876,495.26 = 4,678,204.88/x
  3. Step 3: Cross multiply
    19,251,178.25x = 28,876,495.26 × 4,678,204.88
  4. Step 4: Simplify right side
    19,251,178.25x = 135,090,161,042,628.88
  5. Step 5: Solve for x
    x = 135,090,161,042,628.88/19,251,178.25
  6. Step 6: Final answer
    x = 7,017,241.19

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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.