Home / 18,735,465.75-25,847,025.69-12,542,507.74

Finding the Fourth Proportional to 18,735,465.75, 25,847,025.69 and 12,542,507.74

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Solution

The fourth proportional to 18,735,465.75, 25,847,025.69 and 12,542,507.74 is: 17,303,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735,465.75 : 25,847,025.69 = 12,542,507.74 : x
  2. Step 2: Convert to fraction form
    18,735,465.75/25,847,025.69 = 12,542,507.74/x
  3. Step 3: Cross multiply
    18,735,465.75x = 25,847,025.69 × 12,542,507.74
  4. Step 4: Simplify right side
    18,735,465.75x = 324,186,519,772,803.88
  5. Step 5: Solve for x
    x = 324,186,519,772,803.88/18,735,465.75
  6. Step 6: Final answer
    x = 17,303,360.59

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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.