Home / 30,552,650.32-45,850,864.92-11,121,835.72

Finding the Fourth Proportional to 30,552,650.32, 45,850,864.92 and 11,121,835.72

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Solution

The fourth proportional to 30,552,650.32, 45,850,864.92 and 11,121,835.72 is: 16,690,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552,650.32 : 45,850,864.92 = 11,121,835.72 : x
  2. Step 2: Convert to fraction form
    30,552,650.32/45,850,864.92 = 11,121,835.72/x
  3. Step 3: Cross multiply
    30,552,650.32x = 45,850,864.92 × 11,121,835.72
  4. Step 4: Simplify right side
    30,552,650.32x = 509,945,787,260,151
  5. Step 5: Solve for x
    x = 509,945,787,260,151/30,552,650.32
  6. Step 6: Final answer
    x = 16,690,721.82

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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.