Home / 12,342,162.72-17,031,713.60-6,760,319.84

Finding the Fourth Proportional to 12,342,162.72, 17,031,713.60 and 6,760,319.84

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Solution

The fourth proportional to 12,342,162.72, 17,031,713.60 and 6,760,319.84 is: 9,328,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,162.72 : 17,031,713.60 = 6,760,319.84 : x
  2. Step 2: Convert to fraction form
    12,342,162.72/17,031,713.60 = 6,760,319.84/x
  3. Step 3: Cross multiply
    12,342,162.72x = 17,031,713.60 × 6,760,319.84
  4. Step 4: Simplify right side
    12,342,162.72x = 115,139,831,359,277.83
  5. Step 5: Solve for x
    x = 115,139,831,359,277.83/12,342,162.72
  6. Step 6: Final answer
    x = 9,328,983.42

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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.