Home / 13,772,720.40-20,659,080.60-4,685,079.30

Finding the Fourth Proportional to 13,772,720.40, 20,659,080.60 and 4,685,079.30

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Solution

The fourth proportional to 13,772,720.40, 20,659,080.60 and 4,685,079.30 is: 7,027,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,720.40 : 20,659,080.60 = 4,685,079.30 : x
  2. Step 2: Convert to fraction form
    13,772,720.40/20,659,080.60 = 4,685,079.30/x
  3. Step 3: Cross multiply
    13,772,720.40x = 20,659,080.60 × 4,685,079.30
  4. Step 4: Simplify right side
    13,772,720.40x = 96,789,430,876,091.58
  5. Step 5: Solve for x
    x = 96,789,430,876,091.58/13,772,720.40
  6. Step 6: Final answer
    x = 7,027,618.95

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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.