Home / 28,903,395.82-39,883,020.25-15,847,219.05

Finding the Fourth Proportional to 28,903,395.82, 39,883,020.25 and 15,847,219.05

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Solution

The fourth proportional to 28,903,395.82, 39,883,020.25 and 15,847,219.05 is: 21,867,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903,395.82 : 39,883,020.25 = 15,847,219.05 : x
  2. Step 2: Convert to fraction form
    28,903,395.82/39,883,020.25 = 15,847,219.05/x
  3. Step 3: Cross multiply
    28,903,395.82x = 39,883,020.25 × 15,847,219.05
  4. Step 4: Simplify right side
    28,903,395.82x = 632,034,958,277,335.75
  5. Step 5: Solve for x
    x = 632,034,958,277,335.75/28,903,395.82
  6. Step 6: Final answer
    x = 21,867,152.30

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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.