Home / 15,922,001.86-21,967,077.22-12,976,754.65

Finding the Fourth Proportional to 15,922,001.86, 21,967,077.22 and 12,976,754.65

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Solution

The fourth proportional to 15,922,001.86, 21,967,077.22 and 12,976,754.65 is: 17,903,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922,001.86 : 21,967,077.22 = 12,976,754.65 : x
  2. Step 2: Convert to fraction form
    15,922,001.86/21,967,077.22 = 12,976,754.65/x
  3. Step 3: Cross multiply
    15,922,001.86x = 21,967,077.22 × 12,976,754.65
  4. Step 4: Simplify right side
    15,922,001.86x = 285,061,371,461,544.06
  5. Step 5: Solve for x
    x = 285,061,371,461,544.06/15,922,001.86
  6. Step 6: Final answer
    x = 17,903,613.75

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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.