Home / 8,457,179.60-12,685,769.40-4,873,998.80

Finding the Fourth Proportional to 8,457,179.60, 12,685,769.40 and 4,873,998.80

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Solution

The fourth proportional to 8,457,179.60, 12,685,769.40 and 4,873,998.80 is: 7,310,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,179.60 : 12,685,769.40 = 4,873,998.80 : x
  2. Step 2: Convert to fraction form
    8,457,179.60/12,685,769.40 = 4,873,998.80/x
  3. Step 3: Cross multiply
    8,457,179.60x = 12,685,769.40 × 4,873,998.80
  4. Step 4: Simplify right side
    8,457,179.60x = 61,830,424,832,676.72
  5. Step 5: Solve for x
    x = 61,830,424,832,676.72/8,457,179.60
  6. Step 6: Final answer
    x = 7,310,998.20

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Similar ratio
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1.5x scale

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.