Home / 39,728,322.08-59,560,324.48-12,420,558.45

Finding the Fourth Proportional to 39,728,322.08, 59,560,324.48 and 12,420,558.45

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Solution

The fourth proportional to 39,728,322.08, 59,560,324.48 and 12,420,558.45 is: 18,620,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728,322.08 : 59,560,324.48 = 12,420,558.45 : x
  2. Step 2: Convert to fraction form
    39,728,322.08/59,560,324.48 = 12,420,558.45/x
  3. Step 3: Cross multiply
    39,728,322.08x = 59,560,324.48 × 12,420,558.45
  4. Step 4: Simplify right side
    39,728,322.08x = 739,772,491,473,754.38
  5. Step 5: Solve for x
    x = 739,772,491,473,754.38/39,728,322.08
  6. Step 6: Final answer
    x = 18,620,783.68

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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.