Home / 8,513,645.47-12,759,378.76-3,459,046.75

Finding the Fourth Proportional to 8,513,645.47, 12,759,378.76 and 3,459,046.75

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Solution

The fourth proportional to 8,513,645.47, 12,759,378.76 and 3,459,046.75 is: 5,184,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,645.47 : 12,759,378.76 = 3,459,046.75 : x
  2. Step 2: Convert to fraction form
    8,513,645.47/12,759,378.76 = 3,459,046.75/x
  3. Step 3: Cross multiply
    8,513,645.47x = 12,759,378.76 × 3,459,046.75
  4. Step 4: Simplify right side
    8,513,645.47x = 44,135,287,631,797.03
  5. Step 5: Solve for x
    x = 44,135,287,631,797.03/8,513,645.47
  6. Step 6: Final answer
    x = 5,184,064.55

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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.