Home / 20,161,679.70-30,242,519.55-6,698,507.70

Finding the Fourth Proportional to 20,161,679.70, 30,242,519.55 and 6,698,507.70

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Solution

The fourth proportional to 20,161,679.70, 30,242,519.55 and 6,698,507.70 is: 10,047,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,679.70 : 30,242,519.55 = 6,698,507.70 : x
  2. Step 2: Convert to fraction form
    20,161,679.70/30,242,519.55 = 6,698,507.70/x
  3. Step 3: Cross multiply
    20,161,679.70x = 30,242,519.55 × 6,698,507.70
  4. Step 4: Simplify right side
    20,161,679.70x = 202,579,750,073,075.53
  5. Step 5: Solve for x
    x = 202,579,750,073,075.53/20,161,679.70
  6. Step 6: Final answer
    x = 10,047,761.55

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1.5x scale

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.