Home / 8,685,345.72-13,028,112.14-2,620,130.00

Finding the Fourth Proportional to 8,685,345.72, 13,028,112.14 and 2,620,130.00

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Solution

The fourth proportional to 8,685,345.72, 13,028,112.14 and 2,620,130.00 is: 3,930,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,345.72 : 13,028,112.14 = 2,620,130.00 : x
  2. Step 2: Convert to fraction form
    8,685,345.72/13,028,112.14 = 2,620,130.00/x
  3. Step 3: Cross multiply
    8,685,345.72x = 13,028,112.14 × 2,620,130.00
  4. Step 4: Simplify right side
    8,685,345.72x = 34,135,347,383,136.99
  5. Step 5: Solve for x
    x = 34,135,347,383,136.99/8,685,345.72
  6. Step 6: Final answer
    x = 3,930,223.21

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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.