Home / 28,912,723.56-43,351,612.63-13,563,379.08

Finding the Fourth Proportional to 28,912,723.56, 43,351,612.63 and 13,563,379.08

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Solution

The fourth proportional to 28,912,723.56, 43,351,612.63 and 13,563,379.08 is: 20,336,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,723.56 : 43,351,612.63 = 13,563,379.08 : x
  2. Step 2: Convert to fraction form
    28,912,723.56/43,351,612.63 = 13,563,379.08/x
  3. Step 3: Cross multiply
    28,912,723.56x = 43,351,612.63 × 13,563,379.08
  4. Step 4: Simplify right side
    28,912,723.56x = 587,994,355,796,097.25
  5. Step 5: Solve for x
    x = 587,994,355,796,097.25/28,912,723.56
  6. Step 6: Final answer
    x = 20,336,871.92

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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.