Home / 7,022,392.50-9,691,690.59-3,966,803.58

Finding the Fourth Proportional to 7,022,392.50, 9,691,690.59 and 3,966,803.58

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Solution

The fourth proportional to 7,022,392.50, 9,691,690.59 and 3,966,803.58 is: 5,474,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022,392.50 : 9,691,690.59 = 3,966,803.58 : x
  2. Step 2: Convert to fraction form
    7,022,392.50/9,691,690.59 = 3,966,803.58/x
  3. Step 3: Cross multiply
    7,022,392.50x = 9,691,690.59 × 3,966,803.58
  4. Step 4: Simplify right side
    7,022,392.50x = 38,445,032,928,664.31
  5. Step 5: Solve for x
    x = 38,445,032,928,664.31/7,022,392.50
  6. Step 6: Final answer
    x = 5,474,634.60

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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.