Home / 15,174,635.88-20,939,731.59-8,558,859.77

Finding the Fourth Proportional to 15,174,635.88, 20,939,731.59 and 8,558,859.77

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Solution

The fourth proportional to 15,174,635.88, 20,939,731.59 and 8,558,859.77 is: 11,810,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,635.88 : 20,939,731.59 = 8,558,859.77 : x
  2. Step 2: Convert to fraction form
    15,174,635.88/20,939,731.59 = 8,558,859.77/x
  3. Step 3: Cross multiply
    15,174,635.88x = 20,939,731.59 × 8,558,859.77
  4. Step 4: Simplify right side
    15,174,635.88x = 179,220,226,195,550.50
  5. Step 5: Solve for x
    x = 179,220,226,195,550.50/15,174,635.88
  6. Step 6: Final answer
    x = 11,810,512.46

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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.