Home / 18,366,817.07-25,381,164.08-13,775,166.83

Finding the Fourth Proportional to 18,366,817.07, 25,381,164.08 and 13,775,166.83

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Solution

The fourth proportional to 18,366,817.07, 25,381,164.08 and 13,775,166.83 is: 19,035,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,817.07 : 25,381,164.08 = 13,775,166.83 : x
  2. Step 2: Convert to fraction form
    18,366,817.07/25,381,164.08 = 13,775,166.83/x
  3. Step 3: Cross multiply
    18,366,817.07x = 25,381,164.08 × 13,775,166.83
  4. Step 4: Simplify right side
    18,366,817.07x = 349,629,769,449,135.56
  5. Step 5: Solve for x
    x = 349,629,769,449,135.56/18,366,817.07
  6. Step 6: Final answer
    x = 19,035,947.72

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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.