Home / 12,073,967.84-16,660,561.81-8,162,235.39

Finding the Fourth Proportional to 12,073,967.84, 16,660,561.81 and 8,162,235.39

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Solution

The fourth proportional to 12,073,967.84, 16,660,561.81 and 8,162,235.39 is: 11,262,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,967.84 : 16,660,561.81 = 8,162,235.39 : x
  2. Step 2: Convert to fraction form
    12,073,967.84/16,660,561.81 = 8,162,235.39/x
  3. Step 3: Cross multiply
    12,073,967.84x = 16,660,561.81 × 8,162,235.39
  4. Step 4: Simplify right side
    12,073,967.84x = 135,987,427,222,864.45
  5. Step 5: Solve for x
    x = 135,987,427,222,864.45/12,073,967.84
  6. Step 6: Final answer
    x = 11,262,861.47

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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.