Home / 18,411,251.27-25,407,698.74-10,151,609.78

Finding the Fourth Proportional to 18,411,251.27, 25,407,698.74 and 10,151,609.78

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Solution

The fourth proportional to 18,411,251.27, 25,407,698.74 and 10,151,609.78 is: 14,009,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,251.27 : 25,407,698.74 = 10,151,609.78 : x
  2. Step 2: Convert to fraction form
    18,411,251.27/25,407,698.74 = 10,151,609.78/x
  3. Step 3: Cross multiply
    18,411,251.27x = 25,407,698.74 × 10,151,609.78
  4. Step 4: Simplify right side
    18,411,251.27x = 257,929,043,016,277.66
  5. Step 5: Solve for x
    x = 257,929,043,016,277.66/18,411,251.27
  6. Step 6: Final answer
    x = 14,009,316.33

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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.