Home / 15,367,412.22-21,207,332.97-8,398,521.33

Finding the Fourth Proportional to 15,367,412.22, 21,207,332.97 and 8,398,521.33

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Solution

The fourth proportional to 15,367,412.22, 21,207,332.97 and 8,398,521.33 is: 11,590,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,412.22 : 21,207,332.97 = 8,398,521.33 : x
  2. Step 2: Convert to fraction form
    15,367,412.22/21,207,332.97 = 8,398,521.33/x
  3. Step 3: Cross multiply
    15,367,412.22x = 21,207,332.97 × 8,398,521.33
  4. Step 4: Simplify right side
    15,367,412.22x = 178,110,238,300,957.25
  5. Step 5: Solve for x
    x = 178,110,238,300,957.25/15,367,412.22
  6. Step 6: Final answer
    x = 11,590,125.63

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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.