Home / 21,457,580.80-32,192,073.60-9,321,836.80

Finding the Fourth Proportional to 21,457,580.80, 32,192,073.60 and 9,321,836.80

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Solution

The fourth proportional to 21,457,580.80, 32,192,073.60 and 9,321,836.80 is: 13,985,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,580.80 : 32,192,073.60 = 9,321,836.80 : x
  2. Step 2: Convert to fraction form
    21,457,580.80/32,192,073.60 = 9,321,836.80/x
  3. Step 3: Cross multiply
    21,457,580.80x = 32,192,073.60 × 9,321,836.80
  4. Step 4: Simplify right side
    21,457,580.80x = 300,089,256,352,788.50
  5. Step 5: Solve for x
    x = 300,089,256,352,788.50/21,457,580.80
  6. Step 6: Final answer
    x = 13,985,232.50

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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.