Home / 12,751,902.86-19,129,002.98-4,116,208.04

Finding the Fourth Proportional to 12,751,902.86, 19,129,002.98 and 4,116,208.04

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Solution

The fourth proportional to 12,751,902.86, 19,129,002.98 and 4,116,208.04 is: 6,174,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751,902.86 : 19,129,002.98 = 4,116,208.04 : x
  2. Step 2: Convert to fraction form
    12,751,902.86/19,129,002.98 = 4,116,208.04/x
  3. Step 3: Cross multiply
    12,751,902.86x = 19,129,002.98 × 4,116,208.04
  4. Step 4: Simplify right side
    12,751,902.86x = 78,738,955,863,459.97
  5. Step 5: Solve for x
    x = 78,738,955,863,459.97/12,751,902.86
  6. Step 6: Final answer
    x = 6,174,682.85

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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.