Home / 13,211,416.20-19,812,367.98-4,573,169.76

Finding the Fourth Proportional to 13,211,416.20, 19,812,367.98 and 4,573,169.76

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Solution

The fourth proportional to 13,211,416.20, 19,812,367.98 and 4,573,169.76 is: 6,858,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,416.20 : 19,812,367.98 = 4,573,169.76 : x
  2. Step 2: Convert to fraction form
    13,211,416.20/19,812,367.98 = 4,573,169.76/x
  3. Step 3: Cross multiply
    13,211,416.20x = 19,812,367.98 × 4,573,169.76
  4. Step 4: Simplify right side
    13,211,416.20x = 90,605,322,120,128.28
  5. Step 5: Solve for x
    x = 90,605,322,120,128.28/13,211,416.20
  6. Step 6: Final answer
    x = 6,858,108.23

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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.