Home / 22,188,276.37-30,619,251.09-12,398,800.98

Finding the Fourth Proportional to 22,188,276.37, 30,619,251.09 and 12,398,800.98

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Solution

The fourth proportional to 22,188,276.37, 30,619,251.09 and 12,398,800.98 is: 17,110,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188,276.37 : 30,619,251.09 = 12,398,800.98 : x
  2. Step 2: Convert to fraction form
    22,188,276.37/30,619,251.09 = 12,398,800.98/x
  3. Step 3: Cross multiply
    22,188,276.37x = 30,619,251.09 × 12,398,800.98
  4. Step 4: Simplify right side
    22,188,276.37x = 379,642,000,421,558.06
  5. Step 5: Solve for x
    x = 379,642,000,421,558.06/22,188,276.37
  6. Step 6: Final answer
    x = 17,110,026.67

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1.5x scale

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.