Home / 14,489,719.40-21,734,579.10-12,922,077.80

Finding the Fourth Proportional to 14,489,719.40, 21,734,579.10 and 12,922,077.80

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Solution

The fourth proportional to 14,489,719.40, 21,734,579.10 and 12,922,077.80 is: 19,383,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,719.40 : 21,734,579.10 = 12,922,077.80 : x
  2. Step 2: Convert to fraction form
    14,489,719.40/21,734,579.10 = 12,922,077.80/x
  3. Step 3: Cross multiply
    14,489,719.40x = 21,734,579.10 × 12,922,077.80
  4. Step 4: Simplify right side
    14,489,719.40x = 280,855,922,080,454
  5. Step 5: Solve for x
    x = 280,855,922,080,454/14,489,719.40
  6. Step 6: Final answer
    x = 19,383,116.70

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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.