Home / 12,739,114.80-19,071,347.40-11,246,122.80

Finding the Fourth Proportional to 12,739,114.80, 19,071,347.40 and 11,246,122.80

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Solution

The fourth proportional to 12,739,114.80, 19,071,347.40 and 11,246,122.80 is: 16,836,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,114.80 : 19,071,347.40 = 11,246,122.80 : x
  2. Step 2: Convert to fraction form
    12,739,114.80/19,071,347.40 = 11,246,122.80/x
  3. Step 3: Cross multiply
    12,739,114.80x = 19,071,347.40 × 11,246,122.80
  4. Step 4: Simplify right side
    12,739,114.80x = 214,478,714,821,860.72
  5. Step 5: Solve for x
    x = 214,478,714,821,860.72/12,739,114.80
  6. Step 6: Final answer
    x = 16,836,233.77

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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.