Home / 20,714,802.80-31,072,204.20-13,175,193.20

Finding the Fourth Proportional to 20,714,802.80, 31,072,204.20 and 13,175,193.20

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Solution

The fourth proportional to 20,714,802.80, 31,072,204.20 and 13,175,193.20 is: 19,762,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,802.80 : 31,072,204.20 = 13,175,193.20 : x
  2. Step 2: Convert to fraction form
    20,714,802.80/31,072,204.20 = 13,175,193.20/x
  3. Step 3: Cross multiply
    20,714,802.80x = 31,072,204.20 × 13,175,193.20
  4. Step 4: Simplify right side
    20,714,802.80x = 409,382,293,484,851.44
  5. Step 5: Solve for x
    x = 409,382,293,484,851.44/20,714,802.80
  6. Step 6: Final answer
    x = 19,762,789.80

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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.