Home / 7,338,908.88-10,128,030.48-4,075,738.08

Finding the Fourth Proportional to 7,338,908.88, 10,128,030.48 and 4,075,738.08

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Solution

The fourth proportional to 7,338,908.88, 10,128,030.48 and 4,075,738.08 is: 5,624,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,908.88 : 10,128,030.48 = 4,075,738.08 : x
  2. Step 2: Convert to fraction form
    7,338,908.88/10,128,030.48 = 4,075,738.08/x
  3. Step 3: Cross multiply
    7,338,908.88x = 10,128,030.48 × 4,075,738.08
  4. Step 4: Simplify right side
    7,338,908.88x = 41,279,199,502,736.68
  5. Step 5: Solve for x
    x = 41,279,199,502,736.68/7,338,908.88
  6. Step 6: Final answer
    x = 5,624,705.28

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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.