Home / 20,323,469.50-28,045,636.90-11,030,840.05

Finding the Fourth Proportional to 20,323,469.50, 28,045,636.90 and 11,030,840.05

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Solution

The fourth proportional to 20,323,469.50, 28,045,636.90 and 11,030,840.05 is: 15,222,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,469.50 : 28,045,636.90 = 11,030,840.05 : x
  2. Step 2: Convert to fraction form
    20,323,469.50/28,045,636.90 = 11,030,840.05/x
  3. Step 3: Cross multiply
    20,323,469.50x = 28,045,636.90 × 11,030,840.05
  4. Step 4: Simplify right side
    20,323,469.50x = 309,366,934,744,277.88
  5. Step 5: Solve for x
    x = 309,366,934,744,277.88/20,323,469.50
  6. Step 6: Final answer
    x = 15,222,151.65

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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.