Home / 5,747,223.80-8,620,835.70-5,215,782.80

Finding the Fourth Proportional to 5,747,223.80, 8,620,835.70 and 5,215,782.80

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Solution

The fourth proportional to 5,747,223.80, 8,620,835.70 and 5,215,782.80 is: 7,823,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747,223.80 : 8,620,835.70 = 5,215,782.80 : x
  2. Step 2: Convert to fraction form
    5,747,223.80/8,620,835.70 = 5,215,782.80/x
  3. Step 3: Cross multiply
    5,747,223.80x = 8,620,835.70 × 5,215,782.80
  4. Step 4: Simplify right side
    5,747,223.80x = 44,964,406,565,685.95
  5. Step 5: Solve for x
    x = 44,964,406,565,685.95/5,747,223.80
  6. Step 6: Final answer
    x = 7,823,674.20

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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.