Home / 11,220,752.43-15,477,458.00-7,781,738.67

Finding the Fourth Proportional to 11,220,752.43, 15,477,458.00 and 7,781,738.67

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Solution

The fourth proportional to 11,220,752.43, 15,477,458.00 and 7,781,738.67 is: 10,733,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220,752.43 : 15,477,458.00 = 7,781,738.67 : x
  2. Step 2: Convert to fraction form
    11,220,752.43/15,477,458.00 = 7,781,738.67/x
  3. Step 3: Cross multiply
    11,220,752.43x = 15,477,458.00 × 7,781,738.67
  4. Step 4: Simplify right side
    11,220,752.43x = 120,441,533,392,992.16
  5. Step 5: Solve for x
    x = 120,441,533,392,992.16/11,220,752.43
  6. Step 6: Final answer
    x = 10,733,819.69

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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.