Home / 35,311,087.72-48,727,745.70-20,628,114.28

Finding the Fourth Proportional to 35,311,087.72, 48,727,745.70 and 20,628,114.28

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Solution

The fourth proportional to 35,311,087.72, 48,727,745.70 and 20,628,114.28 is: 28,465,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311,087.72 : 48,727,745.70 = 20,628,114.28 : x
  2. Step 2: Convert to fraction form
    35,311,087.72/48,727,745.70 = 20,628,114.28/x
  3. Step 3: Cross multiply
    35,311,087.72x = 48,727,745.70 × 20,628,114.28
  4. Step 4: Simplify right side
    35,311,087.72x = 1,005,161,506,906,378.75
  5. Step 5: Solve for x
    x = 1,005,161,506,906,378.75/35,311,087.72
  6. Step 6: Final answer
    x = 28,465,889.10

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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.