Home / 14,919,253.50-20,577,471.72-13,173,843.51

Finding the Fourth Proportional to 14,919,253.50, 20,577,471.72 and 13,173,843.51

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Solution

The fourth proportional to 14,919,253.50, 20,577,471.72 and 13,173,843.51 is: 18,170,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,253.50 : 20,577,471.72 = 13,173,843.51 : x
  2. Step 2: Convert to fraction form
    14,919,253.50/20,577,471.72 = 13,173,843.51/x
  3. Step 3: Cross multiply
    14,919,253.50x = 20,577,471.72 × 13,173,843.51
  4. Step 4: Simplify right side
    14,919,253.50x = 271,084,392,221,328.59
  5. Step 5: Solve for x
    x = 271,084,392,221,328.59/14,919,253.50
  6. Step 6: Final answer
    x = 18,170,104.30

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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.