Home / 18,236,196.84-25,173,438.68-12,363,874.03

Finding the Fourth Proportional to 18,236,196.84, 25,173,438.68 and 12,363,874.03

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Solution

The fourth proportional to 18,236,196.84, 25,173,438.68 and 12,363,874.03 is: 17,067,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236,196.84 : 25,173,438.68 = 12,363,874.03 : x
  2. Step 2: Convert to fraction form
    18,236,196.84/25,173,438.68 = 12,363,874.03/x
  3. Step 3: Cross multiply
    18,236,196.84x = 25,173,438.68 × 12,363,874.03
  4. Step 4: Simplify right side
    18,236,196.84x = 311,241,224,803,826
  5. Step 5: Solve for x
    x = 311,241,224,803,826/18,236,196.84
  6. Step 6: Final answer
    x = 17,067,222.27

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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.