Home / 6,118,783.20-8,445,700.80-4,081,587.84

Finding the Fourth Proportional to 6,118,783.20, 8,445,700.80 and 4,081,587.84

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Solution

The fourth proportional to 6,118,783.20, 8,445,700.80 and 4,081,587.84 is: 5,633,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118,783.20 : 8,445,700.80 = 4,081,587.84 : x
  2. Step 2: Convert to fraction form
    6,118,783.20/8,445,700.80 = 4,081,587.84/x
  3. Step 3: Cross multiply
    6,118,783.20x = 8,445,700.80 × 4,081,587.84
  4. Step 4: Simplify right side
    6,118,783.20x = 34,471,869,685,558.27
  5. Step 5: Solve for x
    x = 34,471,869,685,558.27/6,118,783.20
  6. Step 6: Final answer
    x = 5,633,778.57

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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.