Home / 12,782,020.08-19,135,821.92-6,702,335.04

Finding the Fourth Proportional to 12,782,020.08, 19,135,821.92 and 6,702,335.04

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Solution

The fourth proportional to 12,782,020.08, 19,135,821.92 and 6,702,335.04 is: 10,033,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,020.08 : 19,135,821.92 = 6,702,335.04 : x
  2. Step 2: Convert to fraction form
    12,782,020.08/19,135,821.92 = 6,702,335.04/x
  3. Step 3: Cross multiply
    12,782,020.08x = 19,135,821.92 × 6,702,335.04
  4. Step 4: Simplify right side
    12,782,020.08x = 128,254,689,773,616.09
  5. Step 5: Solve for x
    x = 128,254,689,773,616.09/12,782,020.08
  6. Step 6: Final answer
    x = 10,033,992.20

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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.