Home / 7,348,554.89-10,140,431.47-4,085,171

Finding the Fourth Proportional to 7,348,554.89, 10,140,431.47 and 4,085,171

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Solution

The fourth proportional to 7,348,554.89, 10,140,431.47 and 4,085,171 is: 5,637,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348,554.89 : 10,140,431.47 = 4,085,171 : x
  2. Step 2: Convert to fraction form
    7,348,554.89/10,140,431.47 = 4,085,171/x
  3. Step 3: Cross multiply
    7,348,554.89x = 10,140,431.47 × 4,085,171
  4. Step 4: Simplify right side
    7,348,554.89x = 41,425,396,568,731.38
  5. Step 5: Solve for x
    x = 41,425,396,568,731.38/7,348,554.89
  6. Step 6: Final answer
    x = 5,637,216.73

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Double scale
Find fourth proportional to 7,348,555.89, 10,140,432.85 and 4,085,172
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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.