Home / 8,470,112.28-12,701,987.94-3,077,431.32

Finding the Fourth Proportional to 8,470,112.28, 12,701,987.94 and 3,077,431.32

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Solution

The fourth proportional to 8,470,112.28, 12,701,987.94 and 3,077,431.32 is: 4,614,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,112.28 : 12,701,987.94 = 3,077,431.32 : x
  2. Step 2: Convert to fraction form
    8,470,112.28/12,701,987.94 = 3,077,431.32/x
  3. Step 3: Cross multiply
    8,470,112.28x = 12,701,987.94 × 3,077,431.32
  4. Step 4: Simplify right side
    8,470,112.28x = 39,089,495,512,818.27
  5. Step 5: Solve for x
    x = 39,089,495,512,818.27/8,470,112.28
  6. Step 6: Final answer
    x = 4,614,991.42

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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.