Home / 48,121,351.82-72,186,271.41-13,578,056.54

Finding the Fourth Proportional to 48,121,351.82, 72,186,271.41 and 13,578,056.54

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Solution

The fourth proportional to 48,121,351.82, 72,186,271.41 and 13,578,056.54 is: 20,368,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121,351.82 : 72,186,271.41 = 13,578,056.54 : x
  2. Step 2: Convert to fraction form
    48,121,351.82/72,186,271.41 = 13,578,056.54/x
  3. Step 3: Cross multiply
    48,121,351.82x = 72,186,271.41 × 13,578,056.54
  4. Step 4: Simplify right side
    48,121,351.82x = 980,149,274,616,765.38
  5. Step 5: Solve for x
    x = 980,149,274,616,765.38/48,121,351.82
  6. Step 6: Final answer
    x = 20,368,282.22

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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.