Home / 18,933,765.69-28,400,654.70-4,556,833.50

Finding the Fourth Proportional to 18,933,765.69, 28,400,654.70 and 4,556,833.50

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Solution

The fourth proportional to 18,933,765.69, 28,400,654.70 and 4,556,833.50 is: 6,835,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933,765.69 : 28,400,654.70 = 4,556,833.50 : x
  2. Step 2: Convert to fraction form
    18,933,765.69/28,400,654.70 = 4,556,833.50/x
  3. Step 3: Cross multiply
    18,933,765.69x = 28,400,654.70 × 4,556,833.50
  4. Step 4: Simplify right side
    18,933,765.69x = 129,417,054,758,892.45
  5. Step 5: Solve for x
    x = 129,417,054,758,892.45/18,933,765.69
  6. Step 6: Final answer
    x = 6,835,251.73

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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.