Home / 10,200,105.60-14,076,455.40-5,616,591.12

Finding the Fourth Proportional to 10,200,105.60, 14,076,455.40 and 5,616,591.12

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Solution

The fourth proportional to 10,200,105.60, 14,076,455.40 and 5,616,591.12 is: 7,751,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,105.60 : 14,076,455.40 = 5,616,591.12 : x
  2. Step 2: Convert to fraction form
    10,200,105.60/14,076,455.40 = 5,616,591.12/x
  3. Step 3: Cross multiply
    10,200,105.60x = 14,076,455.40 × 5,616,591.12
  4. Step 4: Simplify right side
    10,200,105.60x = 79,061,694,400,716.05
  5. Step 5: Solve for x
    x = 79,061,694,400,716.05/10,200,105.60
  6. Step 6: Final answer
    x = 7,751,066.26

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1.5x scale

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.