Home / 32,698,481.05-45,120,516.11-20,137,548.25

Finding the Fourth Proportional to 32,698,481.05, 45,120,516.11 and 20,137,548.25

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Solution

The fourth proportional to 32,698,481.05, 45,120,516.11 and 20,137,548.25 is: 27,787,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698,481.05 : 45,120,516.11 = 20,137,548.25 : x
  2. Step 2: Convert to fraction form
    32,698,481.05/45,120,516.11 = 20,137,548.25/x
  3. Step 3: Cross multiply
    32,698,481.05x = 45,120,516.11 × 20,137,548.25
  4. Step 4: Simplify right side
    32,698,481.05x = 908,616,570,129,339.50
  5. Step 5: Solve for x
    x = 908,616,570,129,339.50/32,698,481.05
  6. Step 6: Final answer
    x = 27,787,730.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.