Home / 12,468,093.60-18,702,140.40-8,426,517.60

Finding the Fourth Proportional to 12,468,093.60, 18,702,140.40 and 8,426,517.60

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Solution

The fourth proportional to 12,468,093.60, 18,702,140.40 and 8,426,517.60 is: 12,639,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,093.60 : 18,702,140.40 = 8,426,517.60 : x
  2. Step 2: Convert to fraction form
    12,468,093.60/18,702,140.40 = 8,426,517.60/x
  3. Step 3: Cross multiply
    12,468,093.60x = 18,702,140.40 × 8,426,517.60
  4. Step 4: Simplify right side
    12,468,093.60x = 157,593,915,238,271.03
  5. Step 5: Solve for x
    x = 157,593,915,238,271.03/12,468,093.60
  6. Step 6: Final answer
    x = 12,639,776.40

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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.