Home / 21,777,789.64-32,671,605.72-7,204,674.88

Finding the Fourth Proportional to 21,777,789.64, 32,671,605.72 and 7,204,674.88

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Solution

The fourth proportional to 21,777,789.64, 32,671,605.72 and 7,204,674.88 is: 10,808,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,789.64 : 32,671,605.72 = 7,204,674.88 : x
  2. Step 2: Convert to fraction form
    21,777,789.64/32,671,605.72 = 7,204,674.88/x
  3. Step 3: Cross multiply
    21,777,789.64x = 32,671,605.72 × 7,204,674.88
  4. Step 4: Simplify right side
    21,777,789.64x = 235,388,297,020,148.31
  5. Step 5: Solve for x
    x = 235,388,297,020,148.31/21,777,789.64
  6. Step 6: Final answer
    x = 10,808,640.40

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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.