Home / 12,305,967.09-16,981,361.91-6,799,281.72

Finding the Fourth Proportional to 12,305,967.09, 16,981,361.91 and 6,799,281.72

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Solution

The fourth proportional to 12,305,967.09, 16,981,361.91 and 6,799,281.72 is: 9,382,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,967.09 : 16,981,361.91 = 6,799,281.72 : x
  2. Step 2: Convert to fraction form
    12,305,967.09/16,981,361.91 = 6,799,281.72/x
  3. Step 3: Cross multiply
    12,305,967.09x = 16,981,361.91 × 6,799,281.72
  4. Step 4: Simplify right side
    12,305,967.09x = 115,461,063,615,367.28
  5. Step 5: Solve for x
    x = 115,461,063,615,367.28/12,305,967.09
  6. Step 6: Final answer
    x = 9,382,526.60

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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.