Home / 7,856,809.28-11,781,777.54-3,963,870.68

Finding the Fourth Proportional to 7,856,809.28, 11,781,777.54 and 3,963,870.68

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Solution

The fourth proportional to 7,856,809.28, 11,781,777.54 and 3,963,870.68 is: 5,944,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,809.28 : 11,781,777.54 = 3,963,870.68 : x
  2. Step 2: Convert to fraction form
    7,856,809.28/11,781,777.54 = 3,963,870.68/x
  3. Step 3: Cross multiply
    7,856,809.28x = 11,781,777.54 × 3,963,870.68
  4. Step 4: Simplify right side
    7,856,809.28x = 46,701,442,490,179.63
  5. Step 5: Solve for x
    x = 46,701,442,490,179.63/7,856,809.28
  6. Step 6: Final answer
    x = 5,944,072.31

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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.