Home / 21,383,999.40-32,069,778.30-11,803,967.40

Finding the Fourth Proportional to 21,383,999.40, 32,069,778.30 and 11,803,967.40

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Solution

The fourth proportional to 21,383,999.40, 32,069,778.30 and 11,803,967.40 is: 17,702,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,999.40 : 32,069,778.30 = 11,803,967.40 : x
  2. Step 2: Convert to fraction form
    21,383,999.40/32,069,778.30 = 11,803,967.40/x
  3. Step 3: Cross multiply
    21,383,999.40x = 32,069,778.30 × 11,803,967.40
  4. Step 4: Simplify right side
    21,383,999.40x = 378,550,617,578,427.44
  5. Step 5: Solve for x
    x = 378,550,617,578,427.44/21,383,999.40
  6. Step 6: Final answer
    x = 17,702,517.22

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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.