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Finding the Fourth Proportional to 19,672,798.92, 27,148,409.73 and 10,970,981.07

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Solution

The fourth proportional to 19,672,798.92, 27,148,409.73 and 10,970,981.07 is: 15,139,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672,798.92 : 27,148,409.73 = 10,970,981.07 : x
  2. Step 2: Convert to fraction form
    19,672,798.92/27,148,409.73 = 10,970,981.07/x
  3. Step 3: Cross multiply
    19,672,798.92x = 27,148,409.73 × 10,970,981.07
  4. Step 4: Simplify right side
    19,672,798.92x = 297,844,689,228,433.81
  5. Step 5: Solve for x
    x = 297,844,689,228,433.81/19,672,798.92
  6. Step 6: Final answer
    x = 15,139,924.44

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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.