Home / 12,899,289.60-19,351,733.75-3,923,608.32

Finding the Fourth Proportional to 12,899,289.60, 19,351,733.75 and 3,923,608.32

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Solution

The fourth proportional to 12,899,289.60, 19,351,733.75 and 3,923,608.32 is: 5,886,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,289.60 : 19,351,733.75 = 3,923,608.32 : x
  2. Step 2: Convert to fraction form
    12,899,289.60/19,351,733.75 = 3,923,608.32/x
  3. Step 3: Cross multiply
    12,899,289.60x = 19,351,733.75 × 3,923,608.32
  4. Step 4: Simplify right side
    12,899,289.60x = 75,928,623,528,306.77
  5. Step 5: Solve for x
    x = 75,928,623,528,306.77/12,899,289.60
  6. Step 6: Final answer
    x = 5,886,263.96

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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.