Home / 13,091,189.88-19,639,875.90-4,115,741.88

Finding the Fourth Proportional to 13,091,189.88, 19,639,875.90 and 4,115,741.88

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Solution

The fourth proportional to 13,091,189.88, 19,639,875.90 and 4,115,741.88 is: 6,174,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091,189.88 : 19,639,875.90 = 4,115,741.88 : x
  2. Step 2: Convert to fraction form
    13,091,189.88/19,639,875.90 = 4,115,741.88/x
  3. Step 3: Cross multiply
    13,091,189.88x = 19,639,875.90 × 4,115,741.88
  4. Step 4: Simplify right side
    13,091,189.88x = 80,832,659,759,632.69
  5. Step 5: Solve for x
    x = 80,832,659,759,632.69/13,091,189.88
  6. Step 6: Final answer
    x = 6,174,584.63

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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.