Home / 8,775,836.80-12,111,273.90-4,908,717.78

Finding the Fourth Proportional to 8,775,836.80, 12,111,273.90 and 4,908,717.78

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Solution

The fourth proportional to 8,775,836.80, 12,111,273.90 and 4,908,717.78 is: 6,774,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,836.80 : 12,111,273.90 = 4,908,717.78 : x
  2. Step 2: Convert to fraction form
    8,775,836.80/12,111,273.90 = 4,908,717.78/x
  3. Step 3: Cross multiply
    8,775,836.80x = 12,111,273.90 × 4,908,717.78
  4. Step 4: Simplify right side
    8,775,836.80x = 59,450,825,531,379.95
  5. Step 5: Solve for x
    x = 59,450,825,531,379.95/8,775,836.80
  6. Step 6: Final answer
    x = 6,774,376.84

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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.