Home / 15,022,723.20-20,731,109.67-8,496,107.70

Finding the Fourth Proportional to 15,022,723.20, 20,731,109.67 and 8,496,107.70

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Solution

The fourth proportional to 15,022,723.20, 20,731,109.67 and 8,496,107.70 is: 11,724,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022,723.20 : 20,731,109.67 = 8,496,107.70 : x
  2. Step 2: Convert to fraction form
    15,022,723.20/20,731,109.67 = 8,496,107.70/x
  3. Step 3: Cross multiply
    15,022,723.20x = 20,731,109.67 × 8,496,107.70
  4. Step 4: Simplify right side
    15,022,723.20x = 176,133,740,496,831.47
  5. Step 5: Solve for x
    x = 176,133,740,496,831.47/15,022,723.20
  6. Step 6: Final answer
    x = 11,724,488.17

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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.