Home / 7,782,783.80-11,642,682.90-6,837,999.80

Finding the Fourth Proportional to 7,782,783.80, 11,642,682.90 and 6,837,999.80

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Solution

The fourth proportional to 7,782,783.80, 11,642,682.90 and 6,837,999.80 is: 10,229,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,783.80 : 11,642,682.90 = 6,837,999.80 : x
  2. Step 2: Convert to fraction form
    7,782,783.80/11,642,682.90 = 6,837,999.80/x
  3. Step 3: Cross multiply
    7,782,783.80x = 11,642,682.90 × 6,837,999.80
  4. Step 4: Simplify right side
    7,782,783.80x = 79,612,663,341,663.42
  5. Step 5: Solve for x
    x = 79,612,663,341,663.42/7,782,783.80
  6. Step 6: Final answer
    x = 10,229,329.94

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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.