Home / 15,319,778.75-22,975,184.08-12,617,401.26

Finding the Fourth Proportional to 15,319,778.75, 22,975,184.08 and 12,617,401.26

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Solution

The fourth proportional to 15,319,778.75, 22,975,184.08 and 12,617,401.26 is: 18,922,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319,778.75 : 22,975,184.08 = 12,617,401.26 : x
  2. Step 2: Convert to fraction form
    15,319,778.75/22,975,184.08 = 12,617,401.26/x
  3. Step 3: Cross multiply
    15,319,778.75x = 22,975,184.08 × 12,617,401.26
  4. Step 4: Simplify right side
    15,319,778.75x = 289,887,116,661,652.62
  5. Step 5: Solve for x
    x = 289,887,116,661,652.62/15,319,778.75
  6. Step 6: Final answer
    x = 18,922,408.83

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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.