Home / 20,142,119.58-30,219,075.03-6,494,991.50

Finding the Fourth Proportional to 20,142,119.58, 30,219,075.03 and 6,494,991.50

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Solution

The fourth proportional to 20,142,119.58, 30,219,075.03 and 6,494,991.50 is: 9,744,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,119.58 : 30,219,075.03 = 6,494,991.50 : x
  2. Step 2: Convert to fraction form
    20,142,119.58/30,219,075.03 = 6,494,991.50/x
  3. Step 3: Cross multiply
    20,142,119.58x = 30,219,075.03 × 6,494,991.50
  4. Step 4: Simplify right side
    20,142,119.58x = 196,272,635,306,616.88
  5. Step 5: Solve for x
    x = 196,272,635,306,616.88/20,142,119.58
  6. Step 6: Final answer
    x = 9,744,388.35

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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.