Home / 20,552,387.96-28,362,317.43-11,133,200.90

Finding the Fourth Proportional to 20,552,387.96, 28,362,317.43 and 11,133,200.90

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Solution

The fourth proportional to 20,552,387.96, 28,362,317.43 and 11,133,200.90 is: 15,363,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,387.96 : 28,362,317.43 = 11,133,200.90 : x
  2. Step 2: Convert to fraction form
    20,552,387.96/28,362,317.43 = 11,133,200.90/x
  3. Step 3: Cross multiply
    20,552,387.96x = 28,362,317.43 × 11,133,200.90
  4. Step 4: Simplify right side
    20,552,387.96x = 315,763,377,795,950.06
  5. Step 5: Solve for x
    x = 315,763,377,795,950.06/20,552,387.96
  6. Step 6: Final answer
    x = 15,363,829.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.