Home / 38,308,051.62-52,866,235.71-20,905,520.04

Finding the Fourth Proportional to 38,308,051.62, 52,866,235.71 and 20,905,520.04

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Solution

The fourth proportional to 38,308,051.62, 52,866,235.71 and 20,905,520.04 is: 28,850,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,051.62 : 52,866,235.71 = 20,905,520.04 : x
  2. Step 2: Convert to fraction form
    38,308,051.62/52,866,235.71 = 20,905,520.04/x
  3. Step 3: Cross multiply
    38,308,051.62x = 52,866,235.71 × 20,905,520.04
  4. Step 4: Simplify right side
    38,308,051.62x = 1,105,196,150,074,768.62
  5. Step 5: Solve for x
    x = 1,105,196,150,074,768.62/38,308,051.62
  6. Step 6: Final answer
    x = 28,850,231.30

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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.