Home / 28,724,591.60-43,086,887.40-13,608,047.60

Finding the Fourth Proportional to 28,724,591.60, 43,086,887.40 and 13,608,047.60

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Solution

The fourth proportional to 28,724,591.60, 43,086,887.40 and 13,608,047.60 is: 20,412,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,591.60 : 43,086,887.40 = 13,608,047.60 : x
  2. Step 2: Convert to fraction form
    28,724,591.60/43,086,887.40 = 13,608,047.60/x
  3. Step 3: Cross multiply
    28,724,591.60x = 43,086,887.40 × 13,608,047.60
  4. Step 4: Simplify right side
    28,724,591.60x = 586,328,414,675,040.25
  5. Step 5: Solve for x
    x = 586,328,414,675,040.25/28,724,591.60
  6. Step 6: Final answer
    x = 20,412,071.40

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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.