Home / 38,061,466.36-52,524,872.82-20,657,809.60

Finding the Fourth Proportional to 38,061,466.36, 52,524,872.82 and 20,657,809.60

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Solution

The fourth proportional to 38,061,466.36, 52,524,872.82 and 20,657,809.60 is: 28,507,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061,466.36 : 52,524,872.82 = 20,657,809.60 : x
  2. Step 2: Convert to fraction form
    38,061,466.36/52,524,872.82 = 20,657,809.60/x
  3. Step 3: Cross multiply
    38,061,466.36x = 52,524,872.82 × 20,657,809.60
  4. Step 4: Simplify right side
    38,061,466.36x = 1,085,048,821,979,775.12
  5. Step 5: Solve for x
    x = 1,085,048,821,979,775.12/38,061,466.36
  6. Step 6: Final answer
    x = 28,507,803.97

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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.