Home / 12,272,927.52-16,936,658.64-6,840,302.88

Finding the Fourth Proportional to 12,272,927.52, 16,936,658.64 and 6,840,302.88

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Solution

The fourth proportional to 12,272,927.52, 16,936,658.64 and 6,840,302.88 is: 9,439,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,927.52 : 16,936,658.64 = 6,840,302.88 : x
  2. Step 2: Convert to fraction form
    12,272,927.52/16,936,658.64 = 6,840,302.88/x
  3. Step 3: Cross multiply
    12,272,927.52x = 16,936,658.64 × 6,840,302.88
  4. Step 4: Simplify right side
    12,272,927.52x = 115,851,874,872,768.89
  5. Step 5: Solve for x
    x = 115,851,874,872,768.89/12,272,927.52
  6. Step 6: Final answer
    x = 9,439,628.38

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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.