Home / 20,225,698.48-30,360,137.48-8,716,845.39

Finding the Fourth Proportional to 20,225,698.48, 30,360,137.48 and 8,716,845.39

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Solution

The fourth proportional to 20,225,698.48, 30,360,137.48 and 8,716,845.39 is: 13,084,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,698.48 : 30,360,137.48 = 8,716,845.39 : x
  2. Step 2: Convert to fraction form
    20,225,698.48/30,360,137.48 = 8,716,845.39/x
  3. Step 3: Cross multiply
    20,225,698.48x = 30,360,137.48 × 8,716,845.39
  4. Step 4: Simplify right side
    20,225,698.48x = 264,644,624,432,304.25
  5. Step 5: Solve for x
    x = 264,644,624,432,304.25/20,225,698.48
  6. Step 6: Final answer
    x = 13,084,572.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.