Home / 28,774,533.10-43,161,799.65-19,704,606.70

Finding the Fourth Proportional to 28,774,533.10, 43,161,799.65 and 19,704,606.70

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Solution

The fourth proportional to 28,774,533.10, 43,161,799.65 and 19,704,606.70 is: 29,556,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,533.10 : 43,161,799.65 = 19,704,606.70 : x
  2. Step 2: Convert to fraction form
    28,774,533.10/43,161,799.65 = 19,704,606.70/x
  3. Step 3: Cross multiply
    28,774,533.10x = 43,161,799.65 × 19,704,606.70
  4. Step 4: Simplify right side
    28,774,533.10x = 850,486,286,567,447.62
  5. Step 5: Solve for x
    x = 850,486,286,567,447.62/28,774,533.10
  6. Step 6: Final answer
    x = 29,556,910.05

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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.