Home / 7,823,689.58-11,728,749.81-3,028,078.10

Finding the Fourth Proportional to 7,823,689.58, 11,728,749.81 and 3,028,078.10

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Solution

The fourth proportional to 7,823,689.58, 11,728,749.81 and 3,028,078.10 is: 4,539,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823,689.58 : 11,728,749.81 = 3,028,078.10 : x
  2. Step 2: Convert to fraction form
    7,823,689.58/11,728,749.81 = 3,028,078.10/x
  3. Step 3: Cross multiply
    7,823,689.58x = 11,728,749.81 × 3,028,078.10
  4. Step 4: Simplify right side
    7,823,689.58x = 35,515,570,440,040.16
  5. Step 5: Solve for x
    x = 35,515,570,440,040.16/7,823,689.58
  6. Step 6: Final answer
    x = 4,539,491.26

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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.