Home / 7,338,911.86-10,128,034.83-4,075,741.54

Finding the Fourth Proportional to 7,338,911.86, 10,128,034.83 and 4,075,741.54

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Solution

The fourth proportional to 7,338,911.86, 10,128,034.83 and 4,075,741.54 is: 5,624,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,911.86 : 10,128,034.83 = 4,075,741.54 : x
  2. Step 2: Convert to fraction form
    7,338,911.86/10,128,034.83 = 4,075,741.54/x
  3. Step 3: Cross multiply
    7,338,911.86x = 10,128,034.83 × 4,075,741.54
  4. Step 4: Simplify right side
    7,338,911.86x = 41,279,252,275,197.84
  5. Step 5: Solve for x
    x = 41,279,252,275,197.84/7,338,911.86
  6. Step 6: Final answer
    x = 5,624,710.18

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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.