Home / 7,642,003.70-11,463,005.55-7,348,070.90

Finding the Fourth Proportional to 7,642,003.70, 11,463,005.55 and 7,348,070.90

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Solution

The fourth proportional to 7,642,003.70, 11,463,005.55 and 7,348,070.90 is: 11,022,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,003.70 : 11,463,005.55 = 7,348,070.90 : x
  2. Step 2: Convert to fraction form
    7,642,003.70/11,463,005.55 = 7,348,070.90/x
  3. Step 3: Cross multiply
    7,642,003.70x = 11,463,005.55 × 7,348,070.90
  4. Step 4: Simplify right side
    7,642,003.70x = 84,230,977,508,493.50
  5. Step 5: Solve for x
    x = 84,230,977,508,493.50/7,642,003.70
  6. Step 6: Final answer
    x = 11,022,106.35

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Similar ratio
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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.