Home / 19,783,990.80-29,675,986.20-16,595,344.80

Finding the Fourth Proportional to 19,783,990.80, 29,675,986.20 and 16,595,344.80

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Solution

The fourth proportional to 19,783,990.80, 29,675,986.20 and 16,595,344.80 is: 24,893,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783,990.80 : 29,675,986.20 = 16,595,344.80 : x
  2. Step 2: Convert to fraction form
    19,783,990.80/29,675,986.20 = 16,595,344.80/x
  3. Step 3: Cross multiply
    19,783,990.80x = 29,675,986.20 × 16,595,344.80
  4. Step 4: Simplify right side
    19,783,990.80x = 492,483,223,269,041.75
  5. Step 5: Solve for x
    x = 492,483,223,269,041.75/19,783,990.80
  6. Step 6: Final answer
    x = 24,893,017.20

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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.