Home / 38,308,047.12-52,866,229.50-20,905,515.54

Finding the Fourth Proportional to 38,308,047.12, 52,866,229.50 and 20,905,515.54

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Solution

The fourth proportional to 38,308,047.12, 52,866,229.50 and 20,905,515.54 is: 28,850,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,047.12 : 52,866,229.50 = 20,905,515.54 : x
  2. Step 2: Convert to fraction form
    38,308,047.12/52,866,229.50 = 20,905,515.54/x
  3. Step 3: Cross multiply
    38,308,047.12x = 52,866,229.50 × 20,905,515.54
  4. Step 4: Simplify right side
    38,308,047.12x = 1,105,195,782,353,456.38
  5. Step 5: Solve for x
    x = 1,105,195,782,353,456.38/38,308,047.12
  6. Step 6: Final answer
    x = 28,850,225.09

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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.