Home / 10,100,126.82-13,908,817.85-8,774,937.71

Finding the Fourth Proportional to 10,100,126.82, 13,908,817.85 and 8,774,937.71

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Solution

The fourth proportional to 10,100,126.82, 13,908,817.85 and 8,774,937.71 is: 12,083,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100,126.82 : 13,908,817.85 = 8,774,937.71 : x
  2. Step 2: Convert to fraction form
    10,100,126.82/13,908,817.85 = 8,774,937.71/x
  3. Step 3: Cross multiply
    10,100,126.82x = 13,908,817.85 × 8,774,937.71
  4. Step 4: Simplify right side
    10,100,126.82x = 122,049,010,140,067.36
  5. Step 5: Solve for x
    x = 122,049,010,140,067.36/10,100,126.82
  6. Step 6: Final answer
    x = 12,083,908.68

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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.