Home / 12,666,210.44-18,998,839.37-3,690,529.16

Finding the Fourth Proportional to 12,666,210.44, 18,998,839.37 and 3,690,529.16

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Solution

The fourth proportional to 12,666,210.44, 18,998,839.37 and 3,690,529.16 is: 5,535,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666,210.44 : 18,998,839.37 = 3,690,529.16 : x
  2. Step 2: Convert to fraction form
    12,666,210.44/18,998,839.37 = 3,690,529.16/x
  3. Step 3: Cross multiply
    12,666,210.44x = 18,998,839.37 × 3,690,529.16
  4. Step 4: Simplify right side
    12,666,210.44x = 70,115,770,615,373.15
  5. Step 5: Solve for x
    x = 70,115,770,615,373.15/12,666,210.44
  6. Step 6: Final answer
    x = 5,535,654.96

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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.