Home / 28,915,735.70-43,373,603.55-15,926,705.30

Finding the Fourth Proportional to 28,915,735.70, 43,373,603.55 and 15,926,705.30

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Solution

The fourth proportional to 28,915,735.70, 43,373,603.55 and 15,926,705.30 is: 23,890,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,735.70 : 43,373,603.55 = 15,926,705.30 : x
  2. Step 2: Convert to fraction form
    28,915,735.70/43,373,603.55 = 15,926,705.30/x
  3. Step 3: Cross multiply
    28,915,735.70x = 43,373,603.55 × 15,926,705.30
  4. Step 4: Simplify right side
    28,915,735.70x = 690,798,601,539,883.75
  5. Step 5: Solve for x
    x = 690,798,601,539,883.75/28,915,735.70
  6. Step 6: Final answer
    x = 23,890,057.95

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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.