Home / 12,504,904.91-17,256,768.77-6,781,768.91

Finding the Fourth Proportional to 12,504,904.91, 17,256,768.77 and 6,781,768.91

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Solution

The fourth proportional to 12,504,904.91, 17,256,768.77 and 6,781,768.91 is: 9,358,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,904.91 : 17,256,768.77 = 6,781,768.91 : x
  2. Step 2: Convert to fraction form
    12,504,904.91/17,256,768.77 = 6,781,768.91/x
  3. Step 3: Cross multiply
    12,504,904.91x = 17,256,768.77 × 6,781,768.91
  4. Step 4: Simplify right side
    12,504,904.91x = 117,031,417,811,252.27
  5. Step 5: Solve for x
    x = 117,031,417,811,252.27/12,504,904.91
  6. Step 6: Final answer
    x = 9,358,841.09

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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.