Home / 13,675,793.60-20,485,696.80-6,947,998.40

Finding the Fourth Proportional to 13,675,793.60, 20,485,696.80 and 6,947,998.40

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Solution

The fourth proportional to 13,675,793.60, 20,485,696.80 and 6,947,998.40 is: 10,407,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675,793.60 : 20,485,696.80 = 6,947,998.40 : x
  2. Step 2: Convert to fraction form
    13,675,793.60/20,485,696.80 = 6,947,998.40/x
  3. Step 3: Cross multiply
    13,675,793.60x = 20,485,696.80 × 6,947,998.40
  4. Step 4: Simplify right side
    13,675,793.60x = 142,334,588,589,285.12
  5. Step 5: Solve for x
    x = 142,334,588,589,285.12/13,675,793.60
  6. Step 6: Final answer
    x = 10,407,775.43

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1.5x scale

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.