Home / 28,427,056.62-39,229,338.15-15,374,315.54

Finding the Fourth Proportional to 28,427,056.62, 39,229,338.15 and 15,374,315.54

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Solution

The fourth proportional to 28,427,056.62, 39,229,338.15 and 15,374,315.54 is: 21,216,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,056.62 : 39,229,338.15 = 15,374,315.54 : x
  2. Step 2: Convert to fraction form
    28,427,056.62/39,229,338.15 = 15,374,315.54/x
  3. Step 3: Cross multiply
    28,427,056.62x = 39,229,338.15 × 15,374,315.54
  4. Step 4: Simplify right side
    28,427,056.62x = 603,124,222,947,313.12
  5. Step 5: Solve for x
    x = 603,124,222,947,313.12/28,427,056.62
  6. Step 6: Final answer
    x = 21,216,555.45

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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.