Home / 12,101,234.80-18,151,852.20-9,361,361.20

Finding the Fourth Proportional to 12,101,234.80, 18,151,852.20 and 9,361,361.20

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Solution

The fourth proportional to 12,101,234.80, 18,151,852.20 and 9,361,361.20 is: 14,042,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,234.80 : 18,151,852.20 = 9,361,361.20 : x
  2. Step 2: Convert to fraction form
    12,101,234.80/18,151,852.20 = 9,361,361.20/x
  3. Step 3: Cross multiply
    12,101,234.80x = 18,151,852.20 × 9,361,361.20
  4. Step 4: Simplify right side
    12,101,234.80x = 169,926,044,893,214.62
  5. Step 5: Solve for x
    x = 169,926,044,893,214.62/12,101,234.80
  6. Step 6: Final answer
    x = 14,042,041.80

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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.