Home / 19,180,908.68-28,785,521.10-9,083,513.48

Finding the Fourth Proportional to 19,180,908.68, 28,785,521.10 and 9,083,513.48

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Solution

The fourth proportional to 19,180,908.68, 28,785,521.10 and 9,083,513.48 is: 13,631,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180,908.68 : 28,785,521.10 = 9,083,513.48 : x
  2. Step 2: Convert to fraction form
    19,180,908.68/28,785,521.10 = 9,083,513.48/x
  3. Step 3: Cross multiply
    19,180,908.68x = 28,785,521.10 × 9,083,513.48
  4. Step 4: Simplify right side
    19,180,908.68x = 261,473,668,940,674.47
  5. Step 5: Solve for x
    x = 261,473,668,940,674.47/19,180,908.68
  6. Step 6: Final answer
    x = 13,631,975.07

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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.