Home / 5,413,047.40-8,121,644.70-5,328,029.80

Finding the Fourth Proportional to 5,413,047.40, 8,121,644.70 and 5,328,029.80

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Solution

The fourth proportional to 5,413,047.40, 8,121,644.70 and 5,328,029.80 is: 7,994,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,047.40 : 8,121,644.70 = 5,328,029.80 : x
  2. Step 2: Convert to fraction form
    5,413,047.40/8,121,644.70 = 5,328,029.80/x
  3. Step 3: Cross multiply
    5,413,047.40x = 8,121,644.70 × 5,328,029.80
  4. Step 4: Simplify right side
    5,413,047.40x = 43,272,364,986,612.06
  5. Step 5: Solve for x
    x = 43,272,364,986,612.06/5,413,047.40
  6. Step 6: Final answer
    x = 7,994,085.73

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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.