Home / 28,018,465.60-42,045,413.10-16,503,910.60

Finding the Fourth Proportional to 28,018,465.60, 42,045,413.10 and 16,503,910.60

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Solution

The fourth proportional to 28,018,465.60, 42,045,413.10 and 16,503,910.60 is: 24,766,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,465.60 : 42,045,413.10 = 16,503,910.60 : x
  2. Step 2: Convert to fraction form
    28,018,465.60/42,045,413.10 = 16,503,910.60/x
  3. Step 3: Cross multiply
    28,018,465.60x = 42,045,413.10 × 16,503,910.60
  4. Step 4: Simplify right side
    28,018,465.60x = 693,913,738,942,468.88
  5. Step 5: Solve for x
    x = 693,913,738,942,468.88/28,018,465.60
  6. Step 6: Final answer
    x = 24,766,300.51

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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.