Home / 20,139,603.70-30,209,405.55-6,676,431.70

Finding the Fourth Proportional to 20,139,603.70, 30,209,405.55 and 6,676,431.70

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Solution

The fourth proportional to 20,139,603.70, 30,209,405.55 and 6,676,431.70 is: 10,014,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,603.70 : 30,209,405.55 = 6,676,431.70 : x
  2. Step 2: Convert to fraction form
    20,139,603.70/30,209,405.55 = 6,676,431.70/x
  3. Step 3: Cross multiply
    20,139,603.70x = 30,209,405.55 × 6,676,431.70
  4. Step 4: Simplify right side
    20,139,603.70x = 201,691,032,852,175.94
  5. Step 5: Solve for x
    x = 201,691,032,852,175.94/20,139,603.70
  6. Step 6: Final answer
    x = 10,014,647.55

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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.