Home / 26,838,929.80-40,279,389.90-12,463,778.80

Finding the Fourth Proportional to 26,838,929.80, 40,279,389.90 and 12,463,778.80

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Solution

The fourth proportional to 26,838,929.80, 40,279,389.90 and 12,463,778.80 is: 18,705,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838,929.80 : 40,279,389.90 = 12,463,778.80 : x
  2. Step 2: Convert to fraction form
    26,838,929.80/40,279,389.90 = 12,463,778.80/x
  3. Step 3: Cross multiply
    26,838,929.80x = 40,279,389.90 × 12,463,778.80
  4. Step 4: Simplify right side
    26,838,929.80x = 502,033,405,912,554.12
  5. Step 5: Solve for x
    x = 502,033,405,912,554.12/26,838,929.80
  6. Step 6: Final answer
    x = 18,705,418.20

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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.