Home / 13,183,477.20-19,775,215.80-13,099,496.40

Finding the Fourth Proportional to 13,183,477.20, 19,775,215.80 and 13,099,496.40

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Solution

The fourth proportional to 13,183,477.20, 19,775,215.80 and 13,099,496.40 is: 19,649,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,477.20 : 19,775,215.80 = 13,099,496.40 : x
  2. Step 2: Convert to fraction form
    13,183,477.20/19,775,215.80 = 13,099,496.40/x
  3. Step 3: Cross multiply
    13,183,477.20x = 19,775,215.80 × 13,099,496.40
  4. Step 4: Simplify right side
    13,183,477.20x = 259,045,368,181,323.12
  5. Step 5: Solve for x
    x = 259,045,368,181,323.12/13,183,477.20
  6. Step 6: Final answer
    x = 19,649,244.60

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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.