Home / 20,118,415.16-30,177,632.46-6,655,243.16

Finding the Fourth Proportional to 20,118,415.16, 30,177,632.46 and 6,655,243.16

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Solution

The fourth proportional to 20,118,415.16, 30,177,632.46 and 6,655,243.16 is: 9,982,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,415.16 : 30,177,632.46 = 6,655,243.16 : x
  2. Step 2: Convert to fraction form
    20,118,415.16/30,177,632.46 = 6,655,243.16/x
  3. Step 3: Cross multiply
    20,118,415.16x = 30,177,632.46 × 6,655,243.16
  4. Step 4: Simplify right side
    20,118,415.16x = 200,839,482,014,408.97
  5. Step 5: Solve for x
    x = 200,839,482,014,408.97/20,118,415.16
  6. Step 6: Final answer
    x = 9,982,867.96

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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.