Home / 7,859,890.81-10,846,538.20-4,422,123.64

Finding the Fourth Proportional to 7,859,890.81, 10,846,538.20 and 4,422,123.64

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Solution

The fourth proportional to 7,859,890.81, 10,846,538.20 and 4,422,123.64 is: 6,102,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,890.81 : 10,846,538.20 = 4,422,123.64 : x
  2. Step 2: Convert to fraction form
    7,859,890.81/10,846,538.20 = 4,422,123.64/x
  3. Step 3: Cross multiply
    7,859,890.81x = 10,846,538.20 × 4,422,123.64
  4. Step 4: Simplify right side
    7,859,890.81x = 47,964,732,986,383.04
  5. Step 5: Solve for x
    x = 47,964,732,986,383.04/7,859,890.81
  6. Step 6: Final answer
    x = 6,102,468.11

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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.