Home / 13,220,141.80-19,788,222.30-9,441,005.80

Finding the Fourth Proportional to 13,220,141.80, 19,788,222.30 and 9,441,005.80

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Solution

The fourth proportional to 13,220,141.80, 19,788,222.30 and 9,441,005.80 is: 14,131,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220,141.80 : 19,788,222.30 = 9,441,005.80 : x
  2. Step 2: Convert to fraction form
    13,220,141.80/19,788,222.30 = 9,441,005.80/x
  3. Step 3: Cross multiply
    13,220,141.80x = 19,788,222.30 × 9,441,005.80
  4. Step 4: Simplify right side
    13,220,141.80x = 186,820,721,505,989.38
  5. Step 5: Solve for x
    x = 186,820,721,505,989.38/13,220,141.80
  6. Step 6: Final answer
    x = 14,131,521.76

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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.