Home / 8,174,785.56-12,262,116.81-2,109,001.62

Finding the Fourth Proportional to 8,174,785.56, 12,262,116.81 and 2,109,001.62

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Solution

The fourth proportional to 8,174,785.56, 12,262,116.81 and 2,109,001.62 is: 3,163,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174,785.56 : 12,262,116.81 = 2,109,001.62 : x
  2. Step 2: Convert to fraction form
    8,174,785.56/12,262,116.81 = 2,109,001.62/x
  3. Step 3: Cross multiply
    8,174,785.56x = 12,262,116.81 × 2,109,001.62
  4. Step 4: Simplify right side
    8,174,785.56x = 25,860,824,216,919.23
  5. Step 5: Solve for x
    x = 25,860,824,216,919.23/8,174,785.56
  6. Step 6: Final answer
    x = 3,163,486.56

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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.