Home / 28,728,125.20-43,092,187.80-9,559,507.60

Finding the Fourth Proportional to 28,728,125.20, 43,092,187.80 and 9,559,507.60

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Solution

The fourth proportional to 28,728,125.20, 43,092,187.80 and 9,559,507.60 is: 14,339,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,125.20 : 43,092,187.80 = 9,559,507.60 : x
  2. Step 2: Convert to fraction form
    28,728,125.20/43,092,187.80 = 9,559,507.60/x
  3. Step 3: Cross multiply
    28,728,125.20x = 43,092,187.80 × 9,559,507.60
  4. Step 4: Simplify right side
    28,728,125.20x = 411,940,096,774,727.25
  5. Step 5: Solve for x
    x = 411,940,096,774,727.25/28,728,125.20
  6. Step 6: Final answer
    x = 14,339,261.40

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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.