Home / 30,208,791.20-41,688,007.44-16,457,712.80

Finding the Fourth Proportional to 30,208,791.20, 41,688,007.44 and 16,457,712.80

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Solution

The fourth proportional to 30,208,791.20, 41,688,007.44 and 16,457,712.80 is: 22,711,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,791.20 : 41,688,007.44 = 16,457,712.80 : x
  2. Step 2: Convert to fraction form
    30,208,791.20/41,688,007.44 = 16,457,712.80/x
  3. Step 3: Cross multiply
    30,208,791.20x = 41,688,007.44 × 16,457,712.80
  4. Step 4: Simplify right side
    30,208,791.20x = 686,089,253,651,783.25
  5. Step 5: Solve for x
    x = 686,089,253,651,783.25/30,208,791.20
  6. Step 6: Final answer
    x = 22,711,575.88

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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.