Home / 19,378,112.78-26,741,780.95-10,676,285.39

Finding the Fourth Proportional to 19,378,112.78, 26,741,780.95 and 10,676,285.39

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Solution

The fourth proportional to 19,378,112.78, 26,741,780.95 and 10,676,285.39 is: 14,733,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,112.78 : 26,741,780.95 = 10,676,285.39 : x
  2. Step 2: Convert to fraction form
    19,378,112.78/26,741,780.95 = 10,676,285.39/x
  3. Step 3: Cross multiply
    19,378,112.78x = 26,741,780.95 × 10,676,285.39
  4. Step 4: Simplify right side
    19,378,112.78x = 285,502,885,259,065.31
  5. Step 5: Solve for x
    x = 285,502,885,259,065.31/19,378,112.78
  6. Step 6: Final answer
    x = 14,733,265.75

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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.