Home / 7,152,811.11-9,871,138.90-4,097,615.85

Finding the Fourth Proportional to 7,152,811.11, 9,871,138.90 and 4,097,615.85

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Solution

The fourth proportional to 7,152,811.11, 9,871,138.90 and 4,097,615.85 is: 5,654,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,811.11 : 9,871,138.90 = 4,097,615.85 : x
  2. Step 2: Convert to fraction form
    7,152,811.11/9,871,138.90 = 4,097,615.85/x
  3. Step 3: Cross multiply
    7,152,811.11x = 9,871,138.90 × 4,097,615.85
  4. Step 4: Simplify right side
    7,152,811.11x = 40,448,135,144,347.79
  5. Step 5: Solve for x
    x = 40,448,135,144,347.79/7,152,811.11
  6. Step 6: Final answer
    x = 5,654,858.57

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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.