Home / 8,910,421.38-12,296,393.37-4,836,040.38

Finding the Fourth Proportional to 8,910,421.38, 12,296,393.37 and 4,836,040.38

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Solution

The fourth proportional to 8,910,421.38, 12,296,393.37 and 4,836,040.38 is: 6,673,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,421.38 : 12,296,393.37 = 4,836,040.38 : x
  2. Step 2: Convert to fraction form
    8,910,421.38/12,296,393.37 = 4,836,040.38/x
  3. Step 3: Cross multiply
    8,910,421.38x = 12,296,393.37 × 4,836,040.38
  4. Step 4: Simplify right side
    8,910,421.38x = 59,465,854,865,684.27
  5. Step 5: Solve for x
    x = 59,465,854,865,684.27/8,910,421.38
  6. Step 6: Final answer
    x = 6,673,742.16

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1.5x scale

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.