Home / 20,536,950.76-28,339,914.28-11,242,739.04

Finding the Fourth Proportional to 20,536,950.76, 28,339,914.28 and 11,242,739.04

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Solution

The fourth proportional to 20,536,950.76, 28,339,914.28 and 11,242,739.04 is: 15,514,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,950.76 : 28,339,914.28 = 11,242,739.04 : x
  2. Step 2: Convert to fraction form
    20,536,950.76/28,339,914.28 = 11,242,739.04/x
  3. Step 3: Cross multiply
    20,536,950.76x = 28,339,914.28 × 11,242,739.04
  4. Step 4: Simplify right side
    20,536,950.76x = 318,618,260,666,009.50
  5. Step 5: Solve for x
    x = 318,618,260,666,009.50/20,536,950.76
  6. Step 6: Final answer
    x = 15,514,389.86

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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.