Home / 7,338,954.10-11,008,431.15-7,181,490.10

Finding the Fourth Proportional to 7,338,954.10, 11,008,431.15 and 7,181,490.10

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Solution

The fourth proportional to 7,338,954.10, 11,008,431.15 and 7,181,490.10 is: 10,772,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,954.10 : 11,008,431.15 = 7,181,490.10 : x
  2. Step 2: Convert to fraction form
    7,338,954.10/11,008,431.15 = 7,181,490.10/x
  3. Step 3: Cross multiply
    7,338,954.10x = 11,008,431.15 × 7,181,490.10
  4. Step 4: Simplify right side
    7,338,954.10x = 79,056,939,320,256.61
  5. Step 5: Solve for x
    x = 79,056,939,320,256.61/7,338,954.10
  6. Step 6: Final answer
    x = 10,772,235.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.