Home / 21,525,920.80-32,301,322.80-8,064,109.60

Finding the Fourth Proportional to 21,525,920.80, 32,301,322.80 and 8,064,109.60

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Solution

The fourth proportional to 21,525,920.80, 32,301,322.80 and 8,064,109.60 is: 12,100,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,920.80 : 32,301,322.80 = 8,064,109.60 : x
  2. Step 2: Convert to fraction form
    21,525,920.80/32,301,322.80 = 8,064,109.60/x
  3. Step 3: Cross multiply
    21,525,920.80x = 32,301,322.80 × 8,064,109.60
  4. Step 4: Simplify right side
    21,525,920.80x = 260,481,407,284,178.88
  5. Step 5: Solve for x
    x = 260,481,407,284,178.88/21,525,920.80
  6. Step 6: Final answer
    x = 12,100,825.31

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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.