Home / 38,308,234.11-52,866,479.60-20,905,700.33

Finding the Fourth Proportional to 38,308,234.11, 52,866,479.60 and 20,905,700.33

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Solution

The fourth proportional to 38,308,234.11, 52,866,479.60 and 20,905,700.33 is: 28,850,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,234.11 : 52,866,479.60 = 20,905,700.33 : x
  2. Step 2: Convert to fraction form
    38,308,234.11/52,866,479.60 = 20,905,700.33/x
  3. Step 3: Cross multiply
    38,308,234.11x = 52,866,479.60 × 20,905,700.33
  4. Step 4: Simplify right side
    38,308,234.11x = 1,105,210,779,650,797.25
  5. Step 5: Solve for x
    x = 1,105,210,779,650,797.25/38,308,234.11
  6. Step 6: Final answer
    x = 28,850,475.76

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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.