Home / 12,495,627-17,238,878-8,143,127.64

Finding the Fourth Proportional to 12,495,627, 17,238,878 and 8,143,127.64

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Solution

The fourth proportional to 12,495,627, 17,238,878 and 8,143,127.64 is: 11,234,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,627 : 17,238,878 = 8,143,127.64 : x
  2. Step 2: Convert to fraction form
    12,495,627/17,238,878 = 8,143,127.64/x
  3. Step 3: Cross multiply
    12,495,627x = 17,238,878 × 8,143,127.64
  4. Step 4: Simplify right side
    12,495,627x = 140,378,383,924,387.92
  5. Step 5: Solve for x
    x = 140,378,383,924,387.92/12,495,627
  6. Step 6: Final answer
    x = 11,234,200.89

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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.