Home / 28,466,112-39,283,176.24-15,413,367

Finding the Fourth Proportional to 28,466,112, 39,283,176.24 and 15,413,367

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Solution

The fourth proportional to 28,466,112, 39,283,176.24 and 15,413,367 is: 21,270,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466,112 : 39,283,176.24 = 15,413,367 : x
  2. Step 2: Convert to fraction form
    28,466,112/39,283,176.24 = 15,413,367/x
  3. Step 3: Cross multiply
    28,466,112x = 39,283,176.24 × 15,413,367
  4. Step 4: Simplify right side
    28,466,112x = 605,486,012,312,800.12
  5. Step 5: Solve for x
    x = 605,486,012,312,800.12/28,466,112
  6. Step 6: Final answer
    x = 21,270,414.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.