Home / 20,219,022.40-30,328,533.60-20,093,051.20

Finding the Fourth Proportional to 20,219,022.40, 30,328,533.60 and 20,093,051.20

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Solution

The fourth proportional to 20,219,022.40, 30,328,533.60 and 20,093,051.20 is: 30,139,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,022.40 : 30,328,533.60 = 20,093,051.20 : x
  2. Step 2: Convert to fraction form
    20,219,022.40/30,328,533.60 = 20,093,051.20/x
  3. Step 3: Cross multiply
    20,219,022.40x = 30,328,533.60 × 20,093,051.20
  4. Step 4: Simplify right side
    20,219,022.40x = 609,392,778,445,720.38
  5. Step 5: Solve for x
    x = 609,392,778,445,720.38/20,219,022.40
  6. Step 6: Final answer
    x = 30,139,576.80

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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.