Home / 12,617,403.31-18,926,255.15-3,518,947.32

Finding the Fourth Proportional to 12,617,403.31, 18,926,255.15 and 3,518,947.32

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Solution

The fourth proportional to 12,617,403.31, 18,926,255.15 and 3,518,947.32 is: 5,278,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,403.31 : 18,926,255.15 = 3,518,947.32 : x
  2. Step 2: Convert to fraction form
    12,617,403.31/18,926,255.15 = 3,518,947.32/x
  3. Step 3: Cross multiply
    12,617,403.31x = 18,926,255.15 × 3,518,947.32
  4. Step 4: Simplify right side
    12,617,403.31x = 66,600,494,846,526.06
  5. Step 5: Solve for x
    x = 66,600,494,846,526.06/12,617,403.31
  6. Step 6: Final answer
    x = 5,278,462.87

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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.