Home / 19,047,558.76-28,571,182.62-7,687,833.64

Finding the Fourth Proportional to 19,047,558.76, 28,571,182.62 and 7,687,833.64

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Solution

The fourth proportional to 19,047,558.76, 28,571,182.62 and 7,687,833.64 is: 11,531,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047,558.76 : 28,571,182.62 = 7,687,833.64 : x
  2. Step 2: Convert to fraction form
    19,047,558.76/28,571,182.62 = 7,687,833.64/x
  3. Step 3: Cross multiply
    19,047,558.76x = 28,571,182.62 × 7,687,833.64
  4. Step 4: Simplify right side
    19,047,558.76x = 219,650,498,880,619.34
  5. Step 5: Solve for x
    x = 219,650,498,880,619.34/19,047,558.76
  6. Step 6: Final answer
    x = 11,531,687.69

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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.