Home / 21,645,638.71-29,873,953.34-13,271,527.54

Finding the Fourth Proportional to 21,645,638.71, 29,873,953.34 and 13,271,527.54

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Solution

The fourth proportional to 21,645,638.71, 29,873,953.34 and 13,271,527.54 is: 18,316,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,638.71 : 29,873,953.34 = 13,271,527.54 : x
  2. Step 2: Convert to fraction form
    21,645,638.71/29,873,953.34 = 13,271,527.54/x
  3. Step 3: Cross multiply
    21,645,638.71x = 29,873,953.34 × 13,271,527.54
  4. Step 4: Simplify right side
    21,645,638.71x = 396,472,994,585,273.44
  5. Step 5: Solve for x
    x = 396,472,994,585,273.44/21,645,638.71
  6. Step 6: Final answer
    x = 18,316,530.18

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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.