Home / 18,282,539.40-27,415,836.48-6,915,016.41

Finding the Fourth Proportional to 18,282,539.40, 27,415,836.48 and 6,915,016.41

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Solution

The fourth proportional to 18,282,539.40, 27,415,836.48 and 6,915,016.41 is: 10,369,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282,539.40 : 27,415,836.48 = 6,915,016.41 : x
  2. Step 2: Convert to fraction form
    18,282,539.40/27,415,836.48 = 6,915,016.41/x
  3. Step 3: Cross multiply
    18,282,539.40x = 27,415,836.48 × 6,915,016.41
  4. Step 4: Simplify right side
    18,282,539.40x = 189,580,959,076,198.56
  5. Step 5: Solve for x
    x = 189,580,959,076,198.56/18,282,539.40
  6. Step 6: Final answer
    x = 10,369,509.12

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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.