Home / 11,005,828.80-16,508,743.20-3,432,782.40

Finding the Fourth Proportional to 11,005,828.80, 16,508,743.20 and 3,432,782.40

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Solution

The fourth proportional to 11,005,828.80, 16,508,743.20 and 3,432,782.40 is: 5,149,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,828.80 : 16,508,743.20 = 3,432,782.40 : x
  2. Step 2: Convert to fraction form
    11,005,828.80/16,508,743.20 = 3,432,782.40/x
  3. Step 3: Cross multiply
    11,005,828.80x = 16,508,743.20 × 3,432,782.40
  4. Step 4: Simplify right side
    11,005,828.80x = 56,670,923,103,079.68
  5. Step 5: Solve for x
    x = 56,670,923,103,079.68/11,005,828.80
  6. Step 6: Final answer
    x = 5,149,173.60

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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.