Home / 38,032,932.28-52,485,060.72-20,628,903.64

Finding the Fourth Proportional to 38,032,932.28, 52,485,060.72 and 20,628,903.64

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Solution

The fourth proportional to 38,032,932.28, 52,485,060.72 and 20,628,903.64 is: 28,467,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,032,932.28 : 52,485,060.72 = 20,628,903.64 : x
  2. Step 2: Convert to fraction form
    38,032,932.28/52,485,060.72 = 20,628,903.64/x
  3. Step 3: Cross multiply
    38,032,932.28x = 52,485,060.72 × 20,628,903.64
  4. Step 4: Simplify right side
    38,032,932.28x = 1,082,709,260,132,429
  5. Step 5: Solve for x
    x = 1,082,709,260,132,429/38,032,932.28
  6. Step 6: Final answer
    x = 28,467,677.75

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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.