Home / 9,993,419.21-13,791,013.53-5,863,520.61

Finding the Fourth Proportional to 9,993,419.21, 13,791,013.53 and 5,863,520.61

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Solution

The fourth proportional to 9,993,419.21, 13,791,013.53 and 5,863,520.61 is: 8,091,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993,419.21 : 13,791,013.53 = 5,863,520.61 : x
  2. Step 2: Convert to fraction form
    9,993,419.21/13,791,013.53 = 5,863,520.61/x
  3. Step 3: Cross multiply
    9,993,419.21x = 13,791,013.53 × 5,863,520.61
  4. Step 4: Simplify right side
    9,993,419.21x = 80,863,892,043,955.66
  5. Step 5: Solve for x
    x = 80,863,892,043,955.66/9,993,419.21
  6. Step 6: Final answer
    x = 8,091,714.19

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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.