Home / 8,685,345.63-13,028,111.99-2,620,129.91

Finding the Fourth Proportional to 8,685,345.63, 13,028,111.99 and 2,620,129.91

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Solution

The fourth proportional to 8,685,345.63, 13,028,111.99 and 2,620,129.91 is: 3,930,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,345.63 : 13,028,111.99 = 2,620,129.91 : x
  2. Step 2: Convert to fraction form
    8,685,345.63/13,028,111.99 = 2,620,129.91/x
  3. Step 3: Cross multiply
    8,685,345.63x = 13,028,111.99 × 2,620,129.91
  4. Step 4: Simplify right side
    8,685,345.63x = 34,135,345,837,238.38
  5. Step 5: Solve for x
    x = 34,135,345,837,238.38/8,685,345.63
  6. Step 6: Final answer
    x = 3,930,223.08

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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.