Home / 28,113,357.20-42,121,847.64-18,874,025.36

Finding the Fourth Proportional to 28,113,357.20, 42,121,847.64 and 18,874,025.36

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Solution

The fourth proportional to 28,113,357.20, 42,121,847.64 and 18,874,025.36 is: 28,278,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113,357.20 : 42,121,847.64 = 18,874,025.36 : x
  2. Step 2: Convert to fraction form
    28,113,357.20/42,121,847.64 = 18,874,025.36/x
  3. Step 3: Cross multiply
    28,113,357.20x = 42,121,847.64 × 18,874,025.36
  4. Step 4: Simplify right side
    28,113,357.20x = 795,008,820,567,416.12
  5. Step 5: Solve for x
    x = 795,008,820,567,416.12/28,113,357.20
  6. Step 6: Final answer
    x = 28,278,686.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.