Home / 27,290,164.70-40,810,911.96-20,378,497.70

Finding the Fourth Proportional to 27,290,164.70, 40,810,911.96 and 20,378,497.70

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Solution

The fourth proportional to 27,290,164.70, 40,810,911.96 and 20,378,497.70 is: 30,474,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290,164.70 : 40,810,911.96 = 20,378,497.70 : x
  2. Step 2: Convert to fraction form
    27,290,164.70/40,810,911.96 = 20,378,497.70/x
  3. Step 3: Cross multiply
    27,290,164.70x = 40,810,911.96 × 20,378,497.70
  4. Step 4: Simplify right side
    27,290,164.70x = 831,665,075,511,762.50
  5. Step 5: Solve for x
    x = 831,665,075,511,762.50/27,290,164.70
  6. Step 6: Final answer
    x = 30,474,901.29

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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.