Home / 19,766,838.32-29,656,278.60-9,667,991.60

Finding the Fourth Proportional to 19,766,838.32, 29,656,278.60 and 9,667,991.60

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Solution

The fourth proportional to 19,766,838.32, 29,656,278.60 and 9,667,991.60 is: 14,504,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766,838.32 : 29,656,278.60 = 9,667,991.60 : x
  2. Step 2: Convert to fraction form
    19,766,838.32/29,656,278.60 = 9,667,991.60/x
  3. Step 3: Cross multiply
    19,766,838.32x = 29,656,278.60 × 9,667,991.60
  4. Step 4: Simplify right side
    19,766,838.32x = 286,716,652,392,059.75
  5. Step 5: Solve for x
    x = 286,716,652,392,059.75/19,766,838.32
  6. Step 6: Final answer
    x = 14,504,932.34

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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.