Home / 38,308,234.67-52,866,480.37-20,905,700.89

Finding the Fourth Proportional to 38,308,234.67, 52,866,480.37 and 20,905,700.89

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Solution

The fourth proportional to 38,308,234.67, 52,866,480.37 and 20,905,700.89 is: 28,850,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,234.67 : 52,866,480.37 = 20,905,700.89 : x
  2. Step 2: Convert to fraction form
    38,308,234.67/52,866,480.37 = 20,905,700.89/x
  3. Step 3: Cross multiply
    38,308,234.67x = 52,866,480.37 × 20,905,700.89
  4. Step 4: Simplify right side
    38,308,234.67x = 1,105,210,825,537,846
  5. Step 5: Solve for x
    x = 1,105,210,825,537,846/38,308,234.67
  6. Step 6: Final answer
    x = 28,850,476.54

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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.