Home / 6,859,346.78-9,465,216.36-3,959,671.79

Finding the Fourth Proportional to 6,859,346.78, 9,465,216.36 and 3,959,671.79

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Solution

The fourth proportional to 6,859,346.78, 9,465,216.36 and 3,959,671.79 is: 5,463,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859,346.78 : 9,465,216.36 = 3,959,671.79 : x
  2. Step 2: Convert to fraction form
    6,859,346.78/9,465,216.36 = 3,959,671.79/x
  3. Step 3: Cross multiply
    6,859,346.78x = 9,465,216.36 × 3,959,671.79
  4. Step 4: Simplify right side
    6,859,346.78x = 37,479,150,159,612.40
  5. Step 5: Solve for x
    x = 37,479,150,159,612.40/6,859,346.78
  6. Step 6: Final answer
    x = 5,463,953.26

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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.