Home / 28,943,999.70-43,415,999.55-18,173,462.10

Finding the Fourth Proportional to 28,943,999.70, 43,415,999.55 and 18,173,462.10

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Solution

The fourth proportional to 28,943,999.70, 43,415,999.55 and 18,173,462.10 is: 27,260,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943,999.70 : 43,415,999.55 = 18,173,462.10 : x
  2. Step 2: Convert to fraction form
    28,943,999.70/43,415,999.55 = 18,173,462.10/x
  3. Step 3: Cross multiply
    28,943,999.70x = 43,415,999.55 × 18,173,462.10
  4. Step 4: Simplify right side
    28,943,999.70x = 789,019,022,355,542.12
  5. Step 5: Solve for x
    x = 789,019,022,355,542.12/28,943,999.70
  6. Step 6: Final answer
    x = 27,260,193.15

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1.5x scale

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.