Home / 12,103,445.25-16,702,760.64-6,876,462.47

Finding the Fourth Proportional to 12,103,445.25, 16,702,760.64 and 6,876,462.47

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Solution

The fourth proportional to 12,103,445.25, 16,702,760.64 and 6,876,462.47 is: 9,489,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,445.25 : 16,702,760.64 = 6,876,462.47 : x
  2. Step 2: Convert to fraction form
    12,103,445.25/16,702,760.64 = 6,876,462.47/x
  3. Step 3: Cross multiply
    12,103,445.25x = 16,702,760.64 × 6,876,462.47
  4. Step 4: Simplify right side
    12,103,445.25x = 114,855,906,602,839.38
  5. Step 5: Solve for x
    x = 114,855,906,602,839.38/12,103,445.25
  6. Step 6: Final answer
    x = 9,489,521.72

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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.