Home / 11,769,873.60-16,243,711.20-7,186,180.80

Finding the Fourth Proportional to 11,769,873.60, 16,243,711.20 and 7,186,180.80

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Solution

The fourth proportional to 11,769,873.60, 16,243,711.20 and 7,186,180.80 is: 9,917,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769,873.60 : 16,243,711.20 = 7,186,180.80 : x
  2. Step 2: Convert to fraction form
    11,769,873.60/16,243,711.20 = 7,186,180.80/x
  3. Step 3: Cross multiply
    11,769,873.60x = 16,243,711.20 × 7,186,180.80
  4. Step 4: Simplify right side
    11,769,873.60x = 116,730,245,546,184.95
  5. Step 5: Solve for x
    x = 116,730,245,546,184.95/11,769,873.60
  6. Step 6: Final answer
    x = 9,917,714.46

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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.