Home / 20,894,362.59-28,834,069.91-11,601,887.07

Finding the Fourth Proportional to 20,894,362.59, 28,834,069.91 and 11,601,887.07

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Solution

The fourth proportional to 20,894,362.59, 28,834,069.91 and 11,601,887.07 is: 16,010,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,362.59 : 28,834,069.91 = 11,601,887.07 : x
  2. Step 2: Convert to fraction form
    20,894,362.59/28,834,069.91 = 11,601,887.07/x
  3. Step 3: Cross multiply
    20,894,362.59x = 28,834,069.91 × 11,601,887.07
  4. Step 4: Simplify right side
    20,894,362.59x = 334,529,622,835,300.31
  5. Step 5: Solve for x
    x = 334,529,622,835,300.31/20,894,362.59
  6. Step 6: Final answer
    x = 16,010,520.61

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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.