Home / 13,611,412.35-18,785,072.79-10,167,674.67

Finding the Fourth Proportional to 13,611,412.35, 18,785,072.79 and 10,167,674.67

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Solution

The fourth proportional to 13,611,412.35, 18,785,072.79 and 10,167,674.67 is: 14,032,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,412.35 : 18,785,072.79 = 10,167,674.67 : x
  2. Step 2: Convert to fraction form
    13,611,412.35/18,785,072.79 = 10,167,674.67/x
  3. Step 3: Cross multiply
    13,611,412.35x = 18,785,072.79 × 10,167,674.67
  4. Step 4: Simplify right side
    13,611,412.35x = 191,000,508,780,989.22
  5. Step 5: Solve for x
    x = 191,000,508,780,989.22/13,611,412.35
  6. Step 6: Final answer
    x = 14,032,379.88

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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.