Home / 37,978,280.25-52,409,737.05-20,574,500.97

Finding the Fourth Proportional to 37,978,280.25, 52,409,737.05 and 20,574,500.97

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Solution

The fourth proportional to 37,978,280.25, 52,409,737.05 and 20,574,500.97 is: 28,392,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978,280.25 : 52,409,737.05 = 20,574,500.97 : x
  2. Step 2: Convert to fraction form
    37,978,280.25/52,409,737.05 = 20,574,500.97/x
  3. Step 3: Cross multiply
    37,978,280.25x = 52,409,737.05 × 20,574,500.97
  4. Step 4: Simplify right side
    37,978,280.25x = 1,078,304,185,772,669.88
  5. Step 5: Solve for x
    x = 1,078,304,185,772,669.88/37,978,280.25
  6. Step 6: Final answer
    x = 28,392,654.40

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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.