Home / 18,255,852.81-27,343,416.20-12,484,910.13

Finding the Fourth Proportional to 18,255,852.81, 27,343,416.20 and 12,484,910.13

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Solution

The fourth proportional to 18,255,852.81, 27,343,416.20 and 12,484,910.13 is: 18,699,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,852.81 : 27,343,416.20 = 12,484,910.13 : x
  2. Step 2: Convert to fraction form
    18,255,852.81/27,343,416.20 = 12,484,910.13/x
  3. Step 3: Cross multiply
    18,255,852.81x = 27,343,416.20 × 12,484,910.13
  4. Step 4: Simplify right side
    18,255,852.81x = 341,380,093,841,761.56
  5. Step 5: Solve for x
    x = 341,380,093,841,761.56/18,255,852.81
  6. Step 6: Final answer
    x = 18,699,761.52

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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.