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Finding the Fourth Proportional to 14,953,819.20, 22,430,728.80 and 12,562,334.70

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Solution

The fourth proportional to 14,953,819.20, 22,430,728.80 and 12,562,334.70 is: 18,843,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953,819.20 : 22,430,728.80 = 12,562,334.70 : x
  2. Step 2: Convert to fraction form
    14,953,819.20/22,430,728.80 = 12,562,334.70/x
  3. Step 3: Cross multiply
    14,953,819.20x = 22,430,728.80 × 12,562,334.70
  4. Step 4: Simplify right side
    14,953,819.20x = 281,782,322,750,529.38
  5. Step 5: Solve for x
    x = 281,782,322,750,529.38/14,953,819.20
  6. Step 6: Final answer
    x = 18,843,502.05

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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.