Home / 6,618,180.78-9,927,842.98-1,825,870.05

Finding the Fourth Proportional to 6,618,180.78, 9,927,842.98 and 1,825,870.05

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Solution

The fourth proportional to 6,618,180.78, 9,927,842.98 and 1,825,870.05 is: 2,738,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,180.78 : 9,927,842.98 = 1,825,870.05 : x
  2. Step 2: Convert to fraction form
    6,618,180.78/9,927,842.98 = 1,825,870.05/x
  3. Step 3: Cross multiply
    6,618,180.78x = 9,927,842.98 × 1,825,870.05
  4. Step 4: Simplify right side
    6,618,180.78x = 18,126,951,153,720.07
  5. Step 5: Solve for x
    x = 18,126,951,153,720.07/6,618,180.78
  6. Step 6: Final answer
    x = 2,738,962.83

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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.