Home / 22,012,941.20-30,380,661.89-13,311,176.20

Finding the Fourth Proportional to 22,012,941.20, 30,380,661.89 and 13,311,176.20

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Solution

The fourth proportional to 22,012,941.20, 30,380,661.89 and 13,311,176.20 is: 18,371,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012,941.20 : 30,380,661.89 = 13,311,176.20 : x
  2. Step 2: Convert to fraction form
    22,012,941.20/30,380,661.89 = 13,311,176.20/x
  3. Step 3: Cross multiply
    22,012,941.20x = 30,380,661.89 × 13,311,176.20
  4. Step 4: Simplify right side
    22,012,941.20x = 404,402,343,490,415
  5. Step 5: Solve for x
    x = 404,402,343,490,415/22,012,941.20
  6. Step 6: Final answer
    x = 18,371,118.14

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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.