Home / 5,156,646.36-7,115,755.46-2,981,329.64

Finding the Fourth Proportional to 5,156,646.36, 7,115,755.46 and 2,981,329.64

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Solution

The fourth proportional to 5,156,646.36, 7,115,755.46 and 2,981,329.64 is: 4,113,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,646.36 : 7,115,755.46 = 2,981,329.64 : x
  2. Step 2: Convert to fraction form
    5,156,646.36/7,115,755.46 = 2,981,329.64/x
  3. Step 3: Cross multiply
    5,156,646.36x = 7,115,755.46 × 2,981,329.64
  4. Step 4: Simplify right side
    5,156,646.36x = 21,214,412,663,889.84
  5. Step 5: Solve for x
    x = 21,214,412,663,889.84/5,156,646.36
  6. Step 6: Final answer
    x = 4,113,994.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.