Home / 12,489,080.40-18,733,620.60-3,513,632.40

Finding the Fourth Proportional to 12,489,080.40, 18,733,620.60 and 3,513,632.40

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Solution

The fourth proportional to 12,489,080.40, 18,733,620.60 and 3,513,632.40 is: 5,270,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,489,080.40 : 18,733,620.60 = 3,513,632.40 : x
  2. Step 2: Convert to fraction form
    12,489,080.40/18,733,620.60 = 3,513,632.40/x
  3. Step 3: Cross multiply
    12,489,080.40x = 18,733,620.60 × 3,513,632.40
  4. Step 4: Simplify right side
    12,489,080.40x = 65,823,056,309,467.45
  5. Step 5: Solve for x
    x = 65,823,056,309,467.45/12,489,080.40
  6. Step 6: Final answer
    x = 5,270,448.60

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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.