Home / 14,156,783.62-21,131,825.63-12,147,936.74

Finding the Fourth Proportional to 14,156,783.62, 21,131,825.63 and 12,147,936.74

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Solution

The fourth proportional to 14,156,783.62, 21,131,825.63 and 12,147,936.74 is: 18,133,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,783.62 : 21,131,825.63 = 12,147,936.74 : x
  2. Step 2: Convert to fraction form
    14,156,783.62/21,131,825.63 = 12,147,936.74/x
  3. Step 3: Cross multiply
    14,156,783.62x = 21,131,825.63 × 12,147,936.74
  4. Step 4: Simplify right side
    14,156,783.62x = 256,708,080,893,210.97
  5. Step 5: Solve for x
    x = 256,708,080,893,210.97/14,156,783.62
  6. Step 6: Final answer
    x = 18,133,220.64

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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.