Home / 7,260,142.76-10,018,636.62-3,996,887.42

Finding the Fourth Proportional to 7,260,142.76, 10,018,636.62 and 3,996,887.42

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Solution

The fourth proportional to 7,260,142.76, 10,018,636.62 and 3,996,887.42 is: 5,515,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,142.76 : 10,018,636.62 = 3,996,887.42 : x
  2. Step 2: Convert to fraction form
    7,260,142.76/10,018,636.62 = 3,996,887.42/x
  3. Step 3: Cross multiply
    7,260,142.76x = 10,018,636.62 × 3,996,887.42
  4. Step 4: Simplify right side
    7,260,142.76x = 40,043,362,672,029.31
  5. Step 5: Solve for x
    x = 40,043,362,672,029.31/7,260,142.76
  6. Step 6: Final answer
    x = 5,515,506.24

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Double scale
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Similar ratio
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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.