Home / 8,600,390.66-11,868,540.89-4,732,911.86

Finding the Fourth Proportional to 8,600,390.66, 11,868,540.89 and 4,732,911.86

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Solution

The fourth proportional to 8,600,390.66, 11,868,540.89 and 4,732,911.86 is: 6,531,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,390.66 : 11,868,540.89 = 4,732,911.86 : x
  2. Step 2: Convert to fraction form
    8,600,390.66/11,868,540.89 = 4,732,911.86/x
  3. Step 3: Cross multiply
    8,600,390.66x = 11,868,540.89 × 4,732,911.86
  4. Step 4: Simplify right side
    8,600,390.66x = 56,172,757,939,175.96
  5. Step 5: Solve for x
    x = 56,172,757,939,175.96/8,600,390.66
  6. Step 6: Final answer
    x = 6,531,419.35

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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.