Home / 7,338,910.86-10,128,033.45-4,075,740.54

Finding the Fourth Proportional to 7,338,910.86, 10,128,033.45 and 4,075,740.54

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Solution

The fourth proportional to 7,338,910.86, 10,128,033.45 and 4,075,740.54 is: 5,624,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,910.86 : 10,128,033.45 = 4,075,740.54 : x
  2. Step 2: Convert to fraction form
    7,338,910.86/10,128,033.45 = 4,075,740.54/x
  3. Step 3: Cross multiply
    7,338,910.86x = 10,128,033.45 × 4,075,740.54
  4. Step 4: Simplify right side
    7,338,910.86x = 41,279,236,522,641.06
  5. Step 5: Solve for x
    x = 41,279,236,522,641.06/7,338,910.86
  6. Step 6: Final answer
    x = 5,624,708.80

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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.