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Finding the Fourth Proportional to 19,479,612, 26,881,956.72 and 10,894,908

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Solution

The fourth proportional to 19,479,612, 26,881,956.72 and 10,894,908 is: 15,035,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,612 : 26,881,956.72 = 10,894,908 : x
  2. Step 2: Convert to fraction form
    19,479,612/26,881,956.72 = 10,894,908/x
  3. Step 3: Cross multiply
    19,479,612x = 26,881,956.72 × 10,894,908
  4. Step 4: Simplify right side
    19,479,612x = 292,876,445,324,381.75
  5. Step 5: Solve for x
    x = 292,876,445,324,381.75/19,479,612
  6. Step 6: Final answer
    x = 15,035,024.58

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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.