Home / 7,251,926.34-10,007,678.32-3,989,075.42

Finding the Fourth Proportional to 7,251,926.34, 10,007,678.32 and 3,989,075.42

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Solution

The fourth proportional to 7,251,926.34, 10,007,678.32 and 3,989,075.42 is: 5,504,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,926.34 : 10,007,678.32 = 3,989,075.42 : x
  2. Step 2: Convert to fraction form
    7,251,926.34/10,007,678.32 = 3,989,075.42/x
  3. Step 3: Cross multiply
    7,251,926.34x = 10,007,678.32 × 3,989,075.42
  4. Step 4: Simplify right side
    7,251,926.34x = 39,921,383,597,578.90
  5. Step 5: Solve for x
    x = 39,921,383,597,578.90/7,251,926.34
  6. Step 6: Final answer
    x = 5,504,935.06

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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.