Home / 10,545,528.43-15,815,021.64-3,720,505.60

Finding the Fourth Proportional to 10,545,528.43, 15,815,021.64 and 3,720,505.60

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Solution

The fourth proportional to 10,545,528.43, 15,815,021.64 and 3,720,505.60 is: 5,579,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545,528.43 : 15,815,021.64 = 3,720,505.60 : x
  2. Step 2: Convert to fraction form
    10,545,528.43/15,815,021.64 = 3,720,505.60/x
  3. Step 3: Cross multiply
    10,545,528.43x = 15,815,021.64 × 3,720,505.60
  4. Step 4: Simplify right side
    10,545,528.43x = 58,839,876,575,741.19
  5. Step 5: Solve for x
    x = 58,839,876,575,741.19/10,545,528.43
  6. Step 6: Final answer
    x = 5,579,604.38

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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.