Home / 13,470,112.20-20,207,792.70-5,381,711.40

Finding the Fourth Proportional to 13,470,112.20, 20,207,792.70 and 5,381,711.40

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Solution

The fourth proportional to 13,470,112.20, 20,207,792.70 and 5,381,711.40 is: 8,073,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,112.20 : 20,207,792.70 = 5,381,711.40 : x
  2. Step 2: Convert to fraction form
    13,470,112.20/20,207,792.70 = 5,381,711.40/x
  3. Step 3: Cross multiply
    13,470,112.20x = 20,207,792.70 × 5,381,711.40
  4. Step 4: Simplify right side
    13,470,112.20x = 108,752,508,342,426.78
  5. Step 5: Solve for x
    x = 108,752,508,342,426.78/13,470,112.20
  6. Step 6: Final answer
    x = 8,073,615.63

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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.