Home / 10,869,193.86-16,303,780.09-2,782,156.60

Finding the Fourth Proportional to 10,869,193.86, 16,303,780.09 and 2,782,156.60

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Solution

The fourth proportional to 10,869,193.86, 16,303,780.09 and 2,782,156.60 is: 4,173,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869,193.86 : 16,303,780.09 = 2,782,156.60 : x
  2. Step 2: Convert to fraction form
    10,869,193.86/16,303,780.09 = 2,782,156.60/x
  3. Step 3: Cross multiply
    10,869,193.86x = 16,303,780.09 × 2,782,156.60
  4. Step 4: Simplify right side
    10,869,193.86x = 45,359,669,298,841.12
  5. Step 5: Solve for x
    x = 45,359,669,298,841.12/10,869,193.86
  6. Step 6: Final answer
    x = 4,173,232.15

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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.