Home / 9,968,731.21-13,759,408.48-6,492,731.64

Finding the Fourth Proportional to 9,968,731.21, 13,759,408.48 and 6,492,731.64

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Solution

The fourth proportional to 9,968,731.21, 13,759,408.48 and 6,492,731.64 is: 8,961,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,731.21 : 13,759,408.48 = 6,492,731.64 : x
  2. Step 2: Convert to fraction form
    9,968,731.21/13,759,408.48 = 6,492,731.64/x
  3. Step 3: Cross multiply
    9,968,731.21x = 13,759,408.48 × 6,492,731.64
  4. Step 4: Simplify right side
    9,968,731.21x = 89,336,146,785,780.31
  5. Step 5: Solve for x
    x = 89,336,146,785,780.31/9,968,731.21
  6. Step 6: Final answer
    x = 8,961,636.63

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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.