Home / 7,851,909.68-11,777,866.20-2,460,558.80

Finding the Fourth Proportional to 7,851,909.68, 11,777,866.20 and 2,460,558.80

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Solution

The fourth proportional to 7,851,909.68, 11,777,866.20 and 2,460,558.80 is: 3,690,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,909.68 : 11,777,866.20 = 2,460,558.80 : x
  2. Step 2: Convert to fraction form
    7,851,909.68/11,777,866.20 = 2,460,558.80/x
  3. Step 3: Cross multiply
    7,851,909.68x = 11,777,866.20 × 2,460,558.80
  4. Step 4: Simplify right side
    7,851,909.68x = 28,980,132,323,632.55
  5. Step 5: Solve for x
    x = 28,980,132,323,632.55/7,851,909.68
  6. Step 6: Final answer
    x = 3,690,838.73

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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.