Home / 38,395,657.80-57,593,486.70-28,191,990.60

Finding the Fourth Proportional to 38,395,657.80, 57,593,486.70 and 28,191,990.60

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Solution

The fourth proportional to 38,395,657.80, 57,593,486.70 and 28,191,990.60 is: 42,287,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395,657.80 : 57,593,486.70 = 28,191,990.60 : x
  2. Step 2: Convert to fraction form
    38,395,657.80/57,593,486.70 = 28,191,990.60/x
  3. Step 3: Cross multiply
    38,395,657.80x = 57,593,486.70 × 28,191,990.60
  4. Step 4: Simplify right side
    38,395,657.80x = 1,623,675,035,667,625.25
  5. Step 5: Solve for x
    x = 1,623,675,035,667,625.25/38,395,657.80
  6. Step 6: Final answer
    x = 42,287,985.90

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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.