Home / 30,417,620-45,632,150.39-12,223,257.61

Finding the Fourth Proportional to 30,417,620, 45,632,150.39 and 12,223,257.61

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Solution

The fourth proportional to 30,417,620, 45,632,150.39 and 12,223,257.61 is: 18,337,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417,620 : 45,632,150.39 = 12,223,257.61 : x
  2. Step 2: Convert to fraction form
    30,417,620/45,632,150.39 = 12,223,257.61/x
  3. Step 3: Cross multiply
    30,417,620x = 45,632,150.39 × 12,223,257.61
  4. Step 4: Simplify right side
    30,417,620x = 557,773,529,515,231.94
  5. Step 5: Solve for x
    x = 557,773,529,515,231.94/30,417,620
  6. Step 6: Final answer
    x = 18,337,185.14

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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.