Home / 28,192,732.68-42,264,647-10,909,037.48

Finding the Fourth Proportional to 28,192,732.68, 42,264,647 and 10,909,037.48

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Solution

The fourth proportional to 28,192,732.68, 42,264,647 and 10,909,037.48 is: 16,354,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,732.68 : 42,264,647 = 10,909,037.48 : x
  2. Step 2: Convert to fraction form
    28,192,732.68/42,264,647 = 10,909,037.48/x
  3. Step 3: Cross multiply
    28,192,732.68x = 42,264,647 × 10,909,037.48
  4. Step 4: Simplify right side
    28,192,732.68x = 461,066,618,201,969.56
  5. Step 5: Solve for x
    x = 461,066,618,201,969.56/28,192,732.68
  6. Step 6: Final answer
    x = 16,354,094.63

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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.