Home / 9,381,709.86-12,946,784.61-5,089,357.86

Finding the Fourth Proportional to 9,381,709.86, 12,946,784.61 and 5,089,357.86

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Solution

The fourth proportional to 9,381,709.86, 12,946,784.61 and 5,089,357.86 is: 7,023,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381,709.86 : 12,946,784.61 = 5,089,357.86 : x
  2. Step 2: Convert to fraction form
    9,381,709.86/12,946,784.61 = 5,089,357.86/x
  3. Step 3: Cross multiply
    9,381,709.86x = 12,946,784.61 × 5,089,357.86
  4. Step 4: Simplify right side
    9,381,709.86x = 65,890,820,016,630.54
  5. Step 5: Solve for x
    x = 65,890,820,016,630.54/9,381,709.86
  6. Step 6: Final answer
    x = 7,023,327.41

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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.