Home / 8,119,683-11,205,162.18-4,448,738.64

Finding the Fourth Proportional to 8,119,683, 11,205,162.18 and 4,448,738.64

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Solution

The fourth proportional to 8,119,683, 11,205,162.18 and 4,448,738.64 is: 6,139,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,683 : 11,205,162.18 = 4,448,738.64 : x
  2. Step 2: Convert to fraction form
    8,119,683/11,205,162.18 = 4,448,738.64/x
  3. Step 3: Cross multiply
    8,119,683x = 11,205,162.18 × 4,448,738.64
  4. Step 4: Simplify right side
    8,119,683x = 49,848,837,957,632.63
  5. Step 5: Solve for x
    x = 49,848,837,957,632.63/8,119,683
  6. Step 6: Final answer
    x = 6,139,259.13

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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.