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Finding the Fourth Proportional to 19,672,783.92, 27,148,389.03 and 10,970,966.07

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Solution

The fourth proportional to 19,672,783.92, 27,148,389.03 and 10,970,966.07 is: 15,139,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672,783.92 : 27,148,389.03 = 10,970,966.07 : x
  2. Step 2: Convert to fraction form
    19,672,783.92/27,148,389.03 = 10,970,966.07/x
  3. Step 3: Cross multiply
    19,672,783.92x = 27,148,389.03 × 10,970,966.07
  4. Step 4: Simplify right side
    19,672,783.92x = 297,844,054,903,290.25
  5. Step 5: Solve for x
    x = 297,844,054,903,290.25/19,672,783.92
  6. Step 6: Final answer
    x = 15,139,903.74

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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.