Home / 22,012,941.70-30,380,662.58-13,311,176.70

Finding the Fourth Proportional to 22,012,941.70, 30,380,662.58 and 13,311,176.70

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Solution

The fourth proportional to 22,012,941.70, 30,380,662.58 and 13,311,176.70 is: 18,371,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012,941.70 : 30,380,662.58 = 13,311,176.70 : x
  2. Step 2: Convert to fraction form
    22,012,941.70/30,380,662.58 = 13,311,176.70/x
  3. Step 3: Cross multiply
    22,012,941.70x = 30,380,662.58 × 13,311,176.70
  4. Step 4: Simplify right side
    22,012,941.70x = 404,402,367,865,457.81
  5. Step 5: Solve for x
    x = 404,402,367,865,457.81/22,012,941.70
  6. Step 6: Final answer
    x = 18,371,118.83

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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.