Home / 18,486,074.71-27,731,635.30-7,700,852.77

Finding the Fourth Proportional to 18,486,074.71, 27,731,635.30 and 7,700,852.77

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Solution

The fourth proportional to 18,486,074.71, 27,731,635.30 and 7,700,852.77 is: 11,552,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,074.71 : 27,731,635.30 = 7,700,852.77 : x
  2. Step 2: Convert to fraction form
    18,486,074.71/27,731,635.30 = 7,700,852.77/x
  3. Step 3: Cross multiply
    18,486,074.71x = 27,731,635.30 × 7,700,852.77
  4. Step 4: Simplify right side
    18,486,074.71x = 213,557,240,612,922.22
  5. Step 5: Solve for x
    x = 213,557,240,612,922.22/18,486,074.71
  6. Step 6: Final answer
    x = 11,552,330.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.