Home / 28,874,912.60-43,312,368.90-18,125,370.20

Finding the Fourth Proportional to 28,874,912.60, 43,312,368.90 and 18,125,370.20

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Solution

The fourth proportional to 28,874,912.60, 43,312,368.90 and 18,125,370.20 is: 27,188,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,912.60 : 43,312,368.90 = 18,125,370.20 : x
  2. Step 2: Convert to fraction form
    28,874,912.60/43,312,368.90 = 18,125,370.20/x
  3. Step 3: Cross multiply
    28,874,912.60x = 43,312,368.90 × 18,125,370.20
  4. Step 4: Simplify right side
    28,874,912.60x = 785,052,720,551,466.75
  5. Step 5: Solve for x
    x = 785,052,720,551,466.75/28,874,912.60
  6. Step 6: Final answer
    x = 27,188,055.30

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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.