Home / 19,056,728.72-28,569,015.66-8,265,905.48

Finding the Fourth Proportional to 19,056,728.72, 28,569,015.66 and 8,265,905.48

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Solution

The fourth proportional to 19,056,728.72, 28,569,015.66 and 8,265,905.48 is: 12,391,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056,728.72 : 28,569,015.66 = 8,265,905.48 : x
  2. Step 2: Convert to fraction form
    19,056,728.72/28,569,015.66 = 8,265,905.48/x
  3. Step 3: Cross multiply
    19,056,728.72x = 28,569,015.66 × 8,265,905.48
  4. Step 4: Simplify right side
    19,056,728.72x = 236,148,783,102,199.84
  5. Step 5: Solve for x
    x = 236,148,783,102,199.84/19,056,728.72
  6. Step 6: Final answer
    x = 12,391,884.60

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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.