Home / 11,112,137.80-16,668,206.70-6,558,512.20

Finding the Fourth Proportional to 11,112,137.80, 16,668,206.70 and 6,558,512.20

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Solution

The fourth proportional to 11,112,137.80, 16,668,206.70 and 6,558,512.20 is: 9,837,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,137.80 : 16,668,206.70 = 6,558,512.20 : x
  2. Step 2: Convert to fraction form
    11,112,137.80/16,668,206.70 = 6,558,512.20/x
  3. Step 3: Cross multiply
    11,112,137.80x = 16,668,206.70 × 6,558,512.20
  4. Step 4: Simplify right side
    11,112,137.80x = 109,318,636,994,071.73
  5. Step 5: Solve for x
    x = 109,318,636,994,071.73/11,112,137.80
  6. Step 6: Final answer
    x = 9,837,768.30

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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.