Home / 16,507,851.90-24,761,777.85-12,728,715.90

Finding the Fourth Proportional to 16,507,851.90, 24,761,777.85 and 12,728,715.90

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Solution

The fourth proportional to 16,507,851.90, 24,761,777.85 and 12,728,715.90 is: 19,093,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,851.90 : 24,761,777.85 = 12,728,715.90 : x
  2. Step 2: Convert to fraction form
    16,507,851.90/24,761,777.85 = 12,728,715.90/x
  3. Step 3: Cross multiply
    16,507,851.90x = 24,761,777.85 × 12,728,715.90
  4. Step 4: Simplify right side
    16,507,851.90x = 315,185,635,431,562.81
  5. Step 5: Solve for x
    x = 315,185,635,431,562.81/16,507,851.90
  6. Step 6: Final answer
    x = 19,093,073.85

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1.5x scale

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.