Home / 10,918,844.70-16,364,984.64-7,724,891.58

Finding the Fourth Proportional to 10,918,844.70, 16,364,984.64 and 7,724,891.58

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Solution

The fourth proportional to 10,918,844.70, 16,364,984.64 and 7,724,891.58 is: 11,577,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,844.70 : 16,364,984.64 = 7,724,891.58 : x
  2. Step 2: Convert to fraction form
    10,918,844.70/16,364,984.64 = 7,724,891.58/x
  3. Step 3: Cross multiply
    10,918,844.70x = 16,364,984.64 × 7,724,891.58
  4. Step 4: Simplify right side
    10,918,844.70x = 126,417,732,052,365.34
  5. Step 5: Solve for x
    x = 126,417,732,052,365.34/10,918,844.70
  6. Step 6: Final answer
    x = 11,577,940.30

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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.