Home / 20,154,977.80-30,232,466.70-11,053,558.60

Finding the Fourth Proportional to 20,154,977.80, 30,232,466.70 and 11,053,558.60

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Solution

The fourth proportional to 20,154,977.80, 30,232,466.70 and 11,053,558.60 is: 16,580,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,977.80 : 30,232,466.70 = 11,053,558.60 : x
  2. Step 2: Convert to fraction form
    20,154,977.80/30,232,466.70 = 11,053,558.60/x
  3. Step 3: Cross multiply
    20,154,977.80x = 30,232,466.70 × 11,053,558.60
  4. Step 4: Simplify right side
    20,154,977.80x = 334,176,342,290,998.62
  5. Step 5: Solve for x
    x = 334,176,342,290,998.62/20,154,977.80
  6. Step 6: Final answer
    x = 16,580,337.90

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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.