Home / 10,879,381.20-16,323,089.40-4,490,187.60

Finding the Fourth Proportional to 10,879,381.20, 16,323,089.40 and 4,490,187.60

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Solution

The fourth proportional to 10,879,381.20, 16,323,089.40 and 4,490,187.60 is: 6,736,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879,381.20 : 16,323,089.40 = 4,490,187.60 : x
  2. Step 2: Convert to fraction form
    10,879,381.20/16,323,089.40 = 4,490,187.60/x
  3. Step 3: Cross multiply
    10,879,381.20x = 16,323,089.40 × 4,490,187.60
  4. Step 4: Simplify right side
    10,879,381.20x = 73,293,733,617,571.44
  5. Step 5: Solve for x
    x = 73,293,733,617,571.44/10,879,381.20
  6. Step 6: Final answer
    x = 6,736,939.56

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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.