Home / 28,427,125.43-39,229,433.33-15,374,384.48

Finding the Fourth Proportional to 28,427,125.43, 39,229,433.33 and 15,374,384.48

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Solution

The fourth proportional to 28,427,125.43, 39,229,433.33 and 15,374,384.48 is: 21,216,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,125.43 : 39,229,433.33 = 15,374,384.48 : x
  2. Step 2: Convert to fraction form
    28,427,125.43/39,229,433.33 = 15,374,384.48/x
  3. Step 3: Cross multiply
    28,427,125.43x = 39,229,433.33 × 15,374,384.48
  4. Step 4: Simplify right side
    28,427,125.43x = 603,128,390,969,148.38
  5. Step 5: Solve for x
    x = 603,128,390,969,148.38/28,427,125.43
  6. Step 6: Final answer
    x = 21,216,650.71

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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.