Home / 14,156,786.12-21,131,829.35-12,147,939.24

Finding the Fourth Proportional to 14,156,786.12, 21,131,829.35 and 12,147,939.24

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Solution

The fourth proportional to 14,156,786.12, 21,131,829.35 and 12,147,939.24 is: 18,133,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,786.12 : 21,131,829.35 = 12,147,939.24 : x
  2. Step 2: Convert to fraction form
    14,156,786.12/21,131,829.35 = 12,147,939.24/x
  3. Step 3: Cross multiply
    14,156,786.12x = 21,131,829.35 × 12,147,939.24
  4. Step 4: Simplify right side
    14,156,786.12x = 256,708,178,973,848.72
  5. Step 5: Solve for x
    x = 256,708,178,973,848.72/14,156,786.12
  6. Step 6: Final answer
    x = 18,133,224.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.