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Finding the Fourth Proportional to 12,703,913.17, 19,055,832.04 and 3,606,018.45

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Solution

The fourth proportional to 12,703,913.17, 19,055,832.04 and 3,606,018.45 is: 5,409,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703,913.17 : 19,055,832.04 = 3,606,018.45 : x
  2. Step 2: Convert to fraction form
    12,703,913.17/19,055,832.04 = 3,606,018.45/x
  3. Step 3: Cross multiply
    12,703,913.17x = 19,055,832.04 × 3,606,018.45
  4. Step 4: Simplify right side
    12,703,913.17x = 68,715,681,956,578.35
  5. Step 5: Solve for x
    x = 68,715,681,956,578.35/12,703,913.17
  6. Step 6: Final answer
    x = 5,409,016.97

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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.