Home / 20,142,119.08-30,219,074.27-6,494,991

Finding the Fourth Proportional to 20,142,119.08, 30,219,074.27 and 6,494,991

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Solution

The fourth proportional to 20,142,119.08, 30,219,074.27 and 6,494,991 is: 9,744,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,119.08 : 30,219,074.27 = 6,494,991 : x
  2. Step 2: Convert to fraction form
    20,142,119.08/30,219,074.27 = 6,494,991/x
  3. Step 3: Cross multiply
    20,142,119.08x = 30,219,074.27 × 6,494,991
  4. Step 4: Simplify right side
    20,142,119.08x = 196,272,615,411,981.56
  5. Step 5: Solve for x
    x = 196,272,615,411,981.56/20,142,119.08
  6. Step 6: Final answer
    x = 9,744,387.60

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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.