Home / 13,220,143.80-19,788,225.30-9,441,007.80

Finding the Fourth Proportional to 13,220,143.80, 19,788,225.30 and 9,441,007.80

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Solution

The fourth proportional to 13,220,143.80, 19,788,225.30 and 9,441,007.80 is: 14,131,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220,143.80 : 19,788,225.30 = 9,441,007.80 : x
  2. Step 2: Convert to fraction form
    13,220,143.80/19,788,225.30 = 9,441,007.80/x
  3. Step 3: Cross multiply
    13,220,143.80x = 19,788,225.30 × 9,441,007.80
  4. Step 4: Simplify right side
    13,220,143.80x = 186,820,789,405,457.38
  5. Step 5: Solve for x
    x = 186,820,789,405,457.38/13,220,143.80
  6. Step 6: Final answer
    x = 14,131,524.76

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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.