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Finding the Fourth Proportional to 14,213,694.93, 19,615,795.91 and 8,016,480.51

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Solution

The fourth proportional to 14,213,694.93, 19,615,795.91 and 8,016,480.51 is: 11,063,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,694.93 : 19,615,795.91 = 8,016,480.51 : x
  2. Step 2: Convert to fraction form
    14,213,694.93/19,615,795.91 = 8,016,480.51/x
  3. Step 3: Cross multiply
    14,213,694.93x = 19,615,795.91 × 8,016,480.51
  4. Step 4: Simplify right side
    14,213,694.93x = 157,249,645,600,652.72
  5. Step 5: Solve for x
    x = 157,249,645,600,652.72/14,213,694.93
  6. Step 6: Final answer
    x = 11,063,248.96

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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.