Home / 21,695,725.60-32,542,551.60-7,317,383.20

Finding the Fourth Proportional to 21,695,725.60, 32,542,551.60 and 7,317,383.20

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Solution

The fourth proportional to 21,695,725.60, 32,542,551.60 and 7,317,383.20 is: 10,975,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,725.60 : 32,542,551.60 = 7,317,383.20 : x
  2. Step 2: Convert to fraction form
    21,695,725.60/32,542,551.60 = 7,317,383.20/x
  3. Step 3: Cross multiply
    21,695,725.60x = 32,542,551.60 × 7,317,383.20
  4. Step 4: Simplify right side
    21,695,725.60x = 238,126,320,362,973.12
  5. Step 5: Solve for x
    x = 238,126,320,362,973.12/21,695,725.60
  6. Step 6: Final answer
    x = 10,975,725.12

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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.