Home / 12,091,957.14-16,687,602.78-9,106,316.79

Finding the Fourth Proportional to 12,091,957.14, 16,687,602.78 and 9,106,316.79

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Solution

The fourth proportional to 12,091,957.14, 16,687,602.78 and 9,106,316.79 is: 12,567,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,957.14 : 16,687,602.78 = 9,106,316.79 : x
  2. Step 2: Convert to fraction form
    12,091,957.14/16,687,602.78 = 9,106,316.79/x
  3. Step 3: Cross multiply
    12,091,957.14x = 16,687,602.78 × 9,106,316.79
  4. Step 4: Simplify right side
    12,091,957.14x = 151,962,597,380,364.66
  5. Step 5: Solve for x
    x = 151,962,597,380,364.66/12,091,957.14
  6. Step 6: Final answer
    x = 12,567,245.78

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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.