Home / 21,819,179.70-32,728,933.58-9,685,381.12

Finding the Fourth Proportional to 21,819,179.70, 32,728,933.58 and 9,685,381.12

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Solution

The fourth proportional to 21,819,179.70, 32,728,933.58 and 9,685,381.12 is: 14,528,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,179.70 : 32,728,933.58 = 9,685,381.12 : x
  2. Step 2: Convert to fraction form
    21,819,179.70/32,728,933.58 = 9,685,381.12/x
  3. Step 3: Cross multiply
    21,819,179.70x = 32,728,933.58 × 9,685,381.12
  4. Step 4: Simplify right side
    21,819,179.70x = 316,992,195,373,465.94
  5. Step 5: Solve for x
    x = 316,992,195,373,465.94/21,819,179.70
  6. Step 6: Final answer
    x = 14,528,144.49

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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.