Home / 13,555,170.64-18,705,624.60-7,360,083.37

Finding the Fourth Proportional to 13,555,170.64, 18,705,624.60 and 7,360,083.37

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Solution

The fourth proportional to 13,555,170.64, 18,705,624.60 and 7,360,083.37 is: 10,156,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,170.64 : 18,705,624.60 = 7,360,083.37 : x
  2. Step 2: Convert to fraction form
    13,555,170.64/18,705,624.60 = 7,360,083.37/x
  3. Step 3: Cross multiply
    13,555,170.64x = 18,705,624.60 × 7,360,083.37
  4. Step 4: Simplify right side
    13,555,170.64x = 137,674,956,543,922.92
  5. Step 5: Solve for x
    x = 137,674,956,543,922.92/13,555,170.64
  6. Step 6: Final answer
    x = 10,156,637.66

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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.