Home / 7,639,700.82-11,457,118.79-2,521,177.98

Finding the Fourth Proportional to 7,639,700.82, 11,457,118.79 and 2,521,177.98

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Solution

The fourth proportional to 7,639,700.82, 11,457,118.79 and 2,521,177.98 is: 3,780,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,700.82 : 11,457,118.79 = 2,521,177.98 : x
  2. Step 2: Convert to fraction form
    7,639,700.82/11,457,118.79 = 2,521,177.98/x
  3. Step 3: Cross multiply
    7,639,700.82x = 11,457,118.79 × 2,521,177.98
  4. Step 4: Simplify right side
    7,639,700.82x = 28,885,435,607,592.24
  5. Step 5: Solve for x
    x = 28,885,435,607,592.24/7,639,700.82
  6. Step 6: Final answer
    x = 3,780,964.24

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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.