Home / 21,027,811.37-29,018,757.62-12,332,255.63

Finding the Fourth Proportional to 21,027,811.37, 29,018,757.62 and 12,332,255.63

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Solution

The fourth proportional to 21,027,811.37, 29,018,757.62 and 12,332,255.63 is: 17,018,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027,811.37 : 29,018,757.62 = 12,332,255.63 : x
  2. Step 2: Convert to fraction form
    21,027,811.37/29,018,757.62 = 12,332,255.63/x
  3. Step 3: Cross multiply
    21,027,811.37x = 29,018,757.62 × 12,332,255.63
  4. Step 4: Simplify right side
    21,027,811.37x = 357,866,736,828,095.31
  5. Step 5: Solve for x
    x = 357,866,736,828,095.31/21,027,811.37
  6. Step 6: Final answer
    x = 17,018,734.41

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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.