Home / 21,789,144.36-30,046,718.34-14,444,422.44

Finding the Fourth Proportional to 21,789,144.36, 30,046,718.34 and 14,444,422.44

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Solution

The fourth proportional to 21,789,144.36, 30,046,718.34 and 14,444,422.44 is: 19,918,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789,144.36 : 30,046,718.34 = 14,444,422.44 : x
  2. Step 2: Convert to fraction form
    21,789,144.36/30,046,718.34 = 14,444,422.44/x
  3. Step 3: Cross multiply
    21,789,144.36x = 30,046,718.34 × 14,444,422.44
  4. Step 4: Simplify right side
    21,789,144.36x = 434,007,492,638,655.56
  5. Step 5: Solve for x
    x = 434,007,492,638,655.56/21,789,144.36
  6. Step 6: Final answer
    x = 19,918,519.31

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Double scale
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1.5x scale

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.