Home / 30,884,311.38-42,621,134.09-16,945,662.77

Finding the Fourth Proportional to 30,884,311.38, 42,621,134.09 and 16,945,662.77

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Solution

The fourth proportional to 30,884,311.38, 42,621,134.09 and 16,945,662.77 is: 23,385,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884,311.38 : 42,621,134.09 = 16,945,662.77 : x
  2. Step 2: Convert to fraction form
    30,884,311.38/42,621,134.09 = 16,945,662.77/x
  3. Step 3: Cross multiply
    30,884,311.38x = 42,621,134.09 × 16,945,662.77
  4. Step 4: Simplify right side
    30,884,311.38x = 722,243,365,265,830
  5. Step 5: Solve for x
    x = 722,243,365,265,830/30,884,311.38
  6. Step 6: Final answer
    x = 23,385,445.00

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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.