Home / 21,819,160.38-32,728,904.60-9,685,361.80

Finding the Fourth Proportional to 21,819,160.38, 32,728,904.60 and 9,685,361.80

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Solution

The fourth proportional to 21,819,160.38, 32,728,904.60 and 9,685,361.80 is: 14,528,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,160.38 : 32,728,904.60 = 9,685,361.80 : x
  2. Step 2: Convert to fraction form
    21,819,160.38/32,728,904.60 = 9,685,361.80/x
  3. Step 3: Cross multiply
    21,819,160.38x = 32,728,904.60 × 9,685,361.80
  4. Step 4: Simplify right side
    21,819,160.38x = 316,991,282,368,684.31
  5. Step 5: Solve for x
    x = 316,991,282,368,684.31/21,819,160.38
  6. Step 6: Final answer
    x = 14,528,115.51

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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.