Home / 13,646,419.86-20,479,506.70-5,338,448.82

Finding the Fourth Proportional to 13,646,419.86, 20,479,506.70 and 5,338,448.82

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Solution

The fourth proportional to 13,646,419.86, 20,479,506.70 and 5,338,448.82 is: 8,011,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,419.86 : 20,479,506.70 = 5,338,448.82 : x
  2. Step 2: Convert to fraction form
    13,646,419.86/20,479,506.70 = 5,338,448.82/x
  3. Step 3: Cross multiply
    13,646,419.86x = 20,479,506.70 × 5,338,448.82
  4. Step 4: Simplify right side
    13,646,419.86x = 109,328,798,376,797.09
  5. Step 5: Solve for x
    x = 109,328,798,376,797.09/13,646,419.86
  6. Step 6: Final answer
    x = 8,011,537.06

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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.