Home / 22,216,065.21-30,664,687.59-12,925,820.43

Finding the Fourth Proportional to 22,216,065.21, 30,664,687.59 and 12,925,820.43

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Solution

The fourth proportional to 22,216,065.21, 30,664,687.59 and 12,925,820.43 is: 17,841,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216,065.21 : 30,664,687.59 = 12,925,820.43 : x
  2. Step 2: Convert to fraction form
    22,216,065.21/30,664,687.59 = 12,925,820.43/x
  3. Step 3: Cross multiply
    22,216,065.21x = 30,664,687.59 × 12,925,820.43
  4. Step 4: Simplify right side
    22,216,065.21x = 396,366,245,330,389.44
  5. Step 5: Solve for x
    x = 396,366,245,330,389.44/22,216,065.21
  6. Step 6: Final answer
    x = 17,841,424.28

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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.