Home / 21,726,971.43-30,009,746.08-16,244,659.30

Finding the Fourth Proportional to 21,726,971.43, 30,009,746.08 and 16,244,659.30

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Solution

The fourth proportional to 21,726,971.43, 30,009,746.08 and 16,244,659.30 is: 22,437,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,971.43 : 30,009,746.08 = 16,244,659.30 : x
  2. Step 2: Convert to fraction form
    21,726,971.43/30,009,746.08 = 16,244,659.30/x
  3. Step 3: Cross multiply
    21,726,971.43x = 30,009,746.08 × 16,244,659.30
  4. Step 4: Simplify right side
    21,726,971.43x = 487,498,100,659,284
  5. Step 5: Solve for x
    x = 487,498,100,659,284/21,726,971.43
  6. Step 6: Final answer
    x = 22,437,462.22

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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.