Home / 21,590,821.40-32,374,422.30-8,796,871.40

Finding the Fourth Proportional to 21,590,821.40, 32,374,422.30 and 8,796,871.40

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Solution

The fourth proportional to 21,590,821.40, 32,374,422.30 and 8,796,871.40 is: 13,190,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,821.40 : 32,374,422.30 = 8,796,871.40 : x
  2. Step 2: Convert to fraction form
    21,590,821.40/32,374,422.30 = 8,796,871.40/x
  3. Step 3: Cross multiply
    21,590,821.40x = 32,374,422.30 × 8,796,871.40
  4. Step 4: Simplify right side
    21,590,821.40x = 284,793,629,622,392.25
  5. Step 5: Solve for x
    x = 284,793,629,622,392.25/21,590,821.40
  6. Step 6: Final answer
    x = 13,190,495.37

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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.