Home / 21,389,770.32-29,517,682.14-11,600,430.54

Finding the Fourth Proportional to 21,389,770.32, 29,517,682.14 and 11,600,430.54

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Solution

The fourth proportional to 21,389,770.32, 29,517,682.14 and 11,600,430.54 is: 16,008,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,770.32 : 29,517,682.14 = 11,600,430.54 : x
  2. Step 2: Convert to fraction form
    21,389,770.32/29,517,682.14 = 11,600,430.54/x
  3. Step 3: Cross multiply
    21,389,770.32x = 29,517,682.14 × 11,600,430.54
  4. Step 4: Simplify right side
    21,389,770.32x = 342,417,821,366,868.56
  5. Step 5: Solve for x
    x = 342,417,821,366,868.56/21,389,770.32
  6. Step 6: Final answer
    x = 16,008,485.19

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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.