Home / 28,932,153.80-43,398,230.70-8,734,771.40

Finding the Fourth Proportional to 28,932,153.80, 43,398,230.70 and 8,734,771.40

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Solution

The fourth proportional to 28,932,153.80, 43,398,230.70 and 8,734,771.40 is: 13,102,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932,153.80 : 43,398,230.70 = 8,734,771.40 : x
  2. Step 2: Convert to fraction form
    28,932,153.80/43,398,230.70 = 8,734,771.40/x
  3. Step 3: Cross multiply
    28,932,153.80x = 43,398,230.70 × 8,734,771.40
  4. Step 4: Simplify right side
    28,932,153.80x = 379,073,624,328,962
  5. Step 5: Solve for x
    x = 379,073,624,328,962/28,932,153.80
  6. Step 6: Final answer
    x = 13,102,157.10

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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.