Home / 8,042,445.69-11,103,919.69-6,178,541.63

Finding the Fourth Proportional to 8,042,445.69, 11,103,919.69 and 6,178,541.63

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Solution

The fourth proportional to 8,042,445.69, 11,103,919.69 and 6,178,541.63 is: 8,530,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,445.69 : 11,103,919.69 = 6,178,541.63 : x
  2. Step 2: Convert to fraction form
    8,042,445.69/11,103,919.69 = 6,178,541.63/x
  3. Step 3: Cross multiply
    8,042,445.69x = 11,103,919.69 × 6,178,541.63
  4. Step 4: Simplify right side
    8,042,445.69x = 68,606,030,041,408.86
  5. Step 5: Solve for x
    x = 68,606,030,041,408.86/8,042,445.69
  6. Step 6: Final answer
    x = 8,530,493.42

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1.5x scale

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.