Home / 21,910,463.50-30,237,329.93-12,120,738.91

Finding the Fourth Proportional to 21,910,463.50, 30,237,329.93 and 12,120,738.91

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Solution

The fourth proportional to 21,910,463.50, 30,237,329.93 and 12,120,738.91 is: 16,727,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910,463.50 : 30,237,329.93 = 12,120,738.91 : x
  2. Step 2: Convert to fraction form
    21,910,463.50/30,237,329.93 = 12,120,738.91/x
  3. Step 3: Cross multiply
    21,910,463.50x = 30,237,329.93 × 12,120,738.91
  4. Step 4: Simplify right side
    21,910,463.50x = 366,498,781,417,058.56
  5. Step 5: Solve for x
    x = 366,498,781,417,058.56/21,910,463.50
  6. Step 6: Final answer
    x = 16,727,112.20

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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.