Home / 28,958,450.40-43,437,675.60-11,005,221.60

Finding the Fourth Proportional to 28,958,450.40, 43,437,675.60 and 11,005,221.60

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Solution

The fourth proportional to 28,958,450.40, 43,437,675.60 and 11,005,221.60 is: 16,507,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958,450.40 : 43,437,675.60 = 11,005,221.60 : x
  2. Step 2: Convert to fraction form
    28,958,450.40/43,437,675.60 = 11,005,221.60/x
  3. Step 3: Cross multiply
    28,958,450.40x = 43,437,675.60 × 11,005,221.60
  4. Step 4: Simplify right side
    28,958,450.40x = 478,041,245,766,912.94
  5. Step 5: Solve for x
    x = 478,041,245,766,912.94/28,958,450.40
  6. Step 6: Final answer
    x = 16,507,832.40

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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.