Home / 20,761,057.70-31,141,586.55-9,246,502.70

Finding the Fourth Proportional to 20,761,057.70, 31,141,586.55 and 9,246,502.70

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Solution

The fourth proportional to 20,761,057.70, 31,141,586.55 and 9,246,502.70 is: 13,869,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,761,057.70 : 31,141,586.55 = 9,246,502.70 : x
  2. Step 2: Convert to fraction form
    20,761,057.70/31,141,586.55 = 9,246,502.70/x
  3. Step 3: Cross multiply
    20,761,057.70x = 31,141,586.55 × 9,246,502.70
  4. Step 4: Simplify right side
    20,761,057.70x = 287,950,764,116,858.69
  5. Step 5: Solve for x
    x = 287,950,764,116,858.69/20,761,057.70
  6. Step 6: Final answer
    x = 13,869,754.05

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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.