Home / 5,363,986.60-8,045,979.90-5,326,661.80

Finding the Fourth Proportional to 5,363,986.60, 8,045,979.90 and 5,326,661.80

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Solution

The fourth proportional to 5,363,986.60, 8,045,979.90 and 5,326,661.80 is: 7,989,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363,986.60 : 8,045,979.90 = 5,326,661.80 : x
  2. Step 2: Convert to fraction form
    5,363,986.60/8,045,979.90 = 5,326,661.80/x
  3. Step 3: Cross multiply
    5,363,986.60x = 8,045,979.90 × 5,326,661.80
  4. Step 4: Simplify right side
    5,363,986.60x = 42,858,213,776,897.82
  5. Step 5: Solve for x
    x = 42,858,213,776,897.82/5,363,986.60
  6. Step 6: Final answer
    x = 7,989,992.70

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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.