Home / 19,132,908.07-28,685,905.71-8,886,889.48

Finding the Fourth Proportional to 19,132,908.07, 28,685,905.71 and 8,886,889.48

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Solution

The fourth proportional to 19,132,908.07, 28,685,905.71 and 8,886,889.48 is: 13,324,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,908.07 : 28,685,905.71 = 8,886,889.48 : x
  2. Step 2: Convert to fraction form
    19,132,908.07/28,685,905.71 = 8,886,889.48/x
  3. Step 3: Cross multiply
    19,132,908.07x = 28,685,905.71 × 8,886,889.48
  4. Step 4: Simplify right side
    19,132,908.07x = 254,928,473,678,470.94
  5. Step 5: Solve for x
    x = 254,928,473,678,470.94/19,132,908.07
  6. Step 6: Final answer
    x = 13,324,083.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.