Home / 10,783,817.40-16,171,228.92-4,389,729.24

Finding the Fourth Proportional to 10,783,817.40, 16,171,228.92 and 4,389,729.24

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Solution

The fourth proportional to 10,783,817.40, 16,171,228.92 and 4,389,729.24 is: 6,582,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,817.40 : 16,171,228.92 = 4,389,729.24 : x
  2. Step 2: Convert to fraction form
    10,783,817.40/16,171,228.92 = 4,389,729.24/x
  3. Step 3: Cross multiply
    10,783,817.40x = 16,171,228.92 × 4,389,729.24
  4. Step 4: Simplify right side
    10,783,817.40x = 70,987,316,436,857.62
  5. Step 5: Solve for x
    x = 70,987,316,436,857.62/10,783,817.40
  6. Step 6: Final answer
    x = 6,582,763.21

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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.