Home / 28,781,608.60-43,101,554.10-19,144,811.80

Finding the Fourth Proportional to 28,781,608.60, 43,101,554.10 and 19,144,811.80

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Solution

The fourth proportional to 28,781,608.60, 43,101,554.10 and 19,144,811.80 is: 28,670,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781,608.60 : 43,101,554.10 = 19,144,811.80 : x
  2. Step 2: Convert to fraction form
    28,781,608.60/43,101,554.10 = 19,144,811.80/x
  3. Step 3: Cross multiply
    28,781,608.60x = 43,101,554.10 × 19,144,811.80
  4. Step 4: Simplify right side
    28,781,608.60x = 825,171,141,532,018.50
  5. Step 5: Solve for x
    x = 825,171,141,532,018.50/28,781,608.60
  6. Step 6: Final answer
    x = 28,670,084.18

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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.