Home / 13,476,988.70-20,201,704.95-6,643,051.10

Finding the Fourth Proportional to 13,476,988.70, 20,201,704.95 and 6,643,051.10

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Solution

The fourth proportional to 13,476,988.70, 20,201,704.95 and 6,643,051.10 is: 9,957,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,988.70 : 20,201,704.95 = 6,643,051.10 : x
  2. Step 2: Convert to fraction form
    13,476,988.70/20,201,704.95 = 6,643,051.10/x
  3. Step 3: Cross multiply
    13,476,988.70x = 20,201,704.95 × 6,643,051.10
  4. Step 4: Simplify right side
    13,476,988.70x = 134,200,958,289,972.94
  5. Step 5: Solve for x
    x = 134,200,958,289,972.94/13,476,988.70
  6. Step 6: Final answer
    x = 9,957,785.18

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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.