Home / 20,618,603.60-30,864,919.80-16,083,640.40

Finding the Fourth Proportional to 20,618,603.60, 30,864,919.80 and 16,083,640.40

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Solution

The fourth proportional to 20,618,603.60, 30,864,919.80 and 16,083,640.40 is: 24,076,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,603.60 : 30,864,919.80 = 16,083,640.40 : x
  2. Step 2: Convert to fraction form
    20,618,603.60/30,864,919.80 = 16,083,640.40/x
  3. Step 3: Cross multiply
    20,618,603.60x = 30,864,919.80 × 16,083,640.40
  4. Step 4: Simplify right side
    20,618,603.60x = 496,420,271,038,039.94
  5. Step 5: Solve for x
    x = 496,420,271,038,039.94/20,618,603.60
  6. Step 6: Final answer
    x = 24,076,328.38

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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.