Home / 30,611,249.57-42,243,524.88-16,860,213.69

Finding the Fourth Proportional to 30,611,249.57, 42,243,524.88 and 16,860,213.69

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Solution

The fourth proportional to 30,611,249.57, 42,243,524.88 and 16,860,213.69 is: 23,267,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,249.57 : 42,243,524.88 = 16,860,213.69 : x
  2. Step 2: Convert to fraction form
    30,611,249.57/42,243,524.88 = 16,860,213.69/x
  3. Step 3: Cross multiply
    30,611,249.57x = 42,243,524.88 × 16,860,213.69
  4. Step 4: Simplify right side
    30,611,249.57x = 712,234,856,495,631.75
  5. Step 5: Solve for x
    x = 712,234,856,495,631.75/30,611,249.57
  6. Step 6: Final answer
    x = 23,267,095.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.