Home / 13,667,069.80-20,476,985.10-6,463,091.80

Finding the Fourth Proportional to 13,667,069.80, 20,476,985.10 and 6,463,091.80

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Solution

The fourth proportional to 13,667,069.80, 20,476,985.10 and 6,463,091.80 is: 9,683,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,069.80 : 20,476,985.10 = 6,463,091.80 : x
  2. Step 2: Convert to fraction form
    13,667,069.80/20,476,985.10 = 6,463,091.80/x
  3. Step 3: Cross multiply
    13,667,069.80x = 20,476,985.10 × 6,463,091.80
  4. Step 4: Simplify right side
    13,667,069.80x = 132,344,634,488,532.19
  5. Step 5: Solve for x
    x = 132,344,634,488,532.19/13,667,069.80
  6. Step 6: Final answer
    x = 9,683,468.10

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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.