Home / 22,190,838.12-30,623,470.14-12,401,446.20

Finding the Fourth Proportional to 22,190,838.12, 30,623,470.14 and 12,401,446.20

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Solution

The fourth proportional to 22,190,838.12, 30,623,470.14 and 12,401,446.20 is: 17,114,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190,838.12 : 30,623,470.14 = 12,401,446.20 : x
  2. Step 2: Convert to fraction form
    22,190,838.12/30,623,470.14 = 12,401,446.20/x
  3. Step 3: Cross multiply
    22,190,838.12x = 30,623,470.14 × 12,401,446.20
  4. Step 4: Simplify right side
    22,190,838.12x = 379,775,317,398,516.44
  5. Step 5: Solve for x
    x = 379,775,317,398,516.44/22,190,838.12
  6. Step 6: Final answer
    x = 17,114,059.21

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1.5x scale

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.