Home / 12,310,788.29-18,468,189.22-3,791,124.77

Finding the Fourth Proportional to 12,310,788.29, 18,468,189.22 and 3,791,124.77

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Solution

The fourth proportional to 12,310,788.29, 18,468,189.22 and 3,791,124.77 is: 5,687,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,788.29 : 18,468,189.22 = 3,791,124.77 : x
  2. Step 2: Convert to fraction form
    12,310,788.29/18,468,189.22 = 3,791,124.77/x
  3. Step 3: Cross multiply
    12,310,788.29x = 18,468,189.22 × 3,791,124.77
  4. Step 4: Simplify right side
    12,310,788.29x = 70,015,209,507,170.23
  5. Step 5: Solve for x
    x = 70,015,209,507,170.23/12,310,788.29
  6. Step 6: Final answer
    x = 5,687,305.14

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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.