Home / 21,819,160.29-32,728,904.45-9,685,361.71

Finding the Fourth Proportional to 21,819,160.29, 32,728,904.45 and 9,685,361.71

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Solution

The fourth proportional to 21,819,160.29, 32,728,904.45 and 9,685,361.71 is: 14,528,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,160.29 : 32,728,904.45 = 9,685,361.71 : x
  2. Step 2: Convert to fraction form
    21,819,160.29/32,728,904.45 = 9,685,361.71/x
  3. Step 3: Cross multiply
    21,819,160.29x = 32,728,904.45 × 9,685,361.71
  4. Step 4: Simplify right side
    21,819,160.29x = 316,991,277,970,278.62
  5. Step 5: Solve for x
    x = 316,991,277,970,278.62/21,819,160.29
  6. Step 6: Final answer
    x = 14,528,115.37

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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.