Home / 12,645,867.48-17,451,720.08-7,750,143.54

Finding the Fourth Proportional to 12,645,867.48, 17,451,720.08 and 7,750,143.54

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Solution

The fourth proportional to 12,645,867.48, 17,451,720.08 and 7,750,143.54 is: 10,695,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,867.48 : 17,451,720.08 = 7,750,143.54 : x
  2. Step 2: Convert to fraction form
    12,645,867.48/17,451,720.08 = 7,750,143.54/x
  3. Step 3: Cross multiply
    12,645,867.48x = 17,451,720.08 × 7,750,143.54
  4. Step 4: Simplify right side
    12,645,867.48x = 135,253,335,639,900.27
  5. Step 5: Solve for x
    x = 135,253,335,639,900.27/12,645,867.48
  6. Step 6: Final answer
    x = 10,695,457.30

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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.