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Finding the Fourth Proportional to 16,124,472, 22,251,771.63 and 8,881,128

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Solution

The fourth proportional to 16,124,472, 22,251,771.63 and 8,881,128 is: 12,255,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124,472 : 22,251,771.63 = 8,881,128 : x
  2. Step 2: Convert to fraction form
    16,124,472/22,251,771.63 = 8,881,128/x
  3. Step 3: Cross multiply
    16,124,472x = 22,251,771.63 × 8,881,128
  4. Step 4: Simplify right side
    16,124,472x = 197,620,832,072,798.62
  5. Step 5: Solve for x
    x = 197,620,832,072,798.62/16,124,472
  6. Step 6: Final answer
    x = 12,255,956.79

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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.