Home / 39,678,974.58-54,753,961.77-22,271,956.76

Finding the Fourth Proportional to 39,678,974.58, 54,753,961.77 and 22,271,956.76

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Solution

The fourth proportional to 39,678,974.58, 54,753,961.77 and 22,271,956.76 is: 30,733,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678,974.58 : 54,753,961.77 = 22,271,956.76 : x
  2. Step 2: Convert to fraction form
    39,678,974.58/54,753,961.77 = 22,271,956.76/x
  3. Step 3: Cross multiply
    39,678,974.58x = 54,753,961.77 × 22,271,956.76
  4. Step 4: Simplify right side
    39,678,974.58x = 1,219,477,869,117,018
  5. Step 5: Solve for x
    x = 1,219,477,869,117,018/39,678,974.58
  6. Step 6: Final answer
    x = 30,733,603.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.