Home / 20,833,754.64-28,750,577.40-11,541,928.56

Finding the Fourth Proportional to 20,833,754.64, 28,750,577.40 and 11,541,928.56

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Solution

The fourth proportional to 20,833,754.64, 28,750,577.40 and 11,541,928.56 is: 15,927,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,754.64 : 28,750,577.40 = 11,541,928.56 : x
  2. Step 2: Convert to fraction form
    20,833,754.64/28,750,577.40 = 11,541,928.56/x
  3. Step 3: Cross multiply
    20,833,754.64x = 28,750,577.40 × 11,541,928.56
  4. Step 4: Simplify right side
    20,833,754.64x = 331,837,110,409,550.56
  5. Step 5: Solve for x
    x = 331,837,110,409,550.56/20,833,754.64
  6. Step 6: Final answer
    x = 15,927,859.20

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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.