Home / 21,973,485.80-30,320,622.86-12,047,756.72

Finding the Fourth Proportional to 21,973,485.80, 30,320,622.86 and 12,047,756.72

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Solution

The fourth proportional to 21,973,485.80, 30,320,622.86 and 12,047,756.72 is: 16,624,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,485.80 : 30,320,622.86 = 12,047,756.72 : x
  2. Step 2: Convert to fraction form
    21,973,485.80/30,320,622.86 = 12,047,756.72/x
  3. Step 3: Cross multiply
    21,973,485.80x = 30,320,622.86 × 12,047,756.72
  4. Step 4: Simplify right side
    21,973,485.80x = 365,295,487,816,150.62
  5. Step 5: Solve for x
    x = 365,295,487,816,150.62/21,973,485.80
  6. Step 6: Final answer
    x = 16,624,375.90

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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.