Home / 21,816,649.15-30,107,179.53-12,027,444.82

Finding the Fourth Proportional to 21,816,649.15, 30,107,179.53 and 12,027,444.82

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Solution

The fourth proportional to 21,816,649.15, 30,107,179.53 and 12,027,444.82 is: 16,597,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816,649.15 : 30,107,179.53 = 12,027,444.82 : x
  2. Step 2: Convert to fraction form
    21,816,649.15/30,107,179.53 = 12,027,444.82/x
  3. Step 3: Cross multiply
    21,816,649.15x = 30,107,179.53 × 12,027,444.82
  4. Step 4: Simplify right side
    21,816,649.15x = 362,112,440,482,908.56
  5. Step 5: Solve for x
    x = 362,112,440,482,908.56/21,816,649.15
  6. Step 6: Final answer
    x = 16,597,986.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.