Home / 9,403,872.84-12,978,763.01-5,734,917.72

Finding the Fourth Proportional to 9,403,872.84, 12,978,763.01 and 5,734,917.72

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Solution

The fourth proportional to 9,403,872.84, 12,978,763.01 and 5,734,917.72 is: 7,915,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403,872.84 : 12,978,763.01 = 5,734,917.72 : x
  2. Step 2: Convert to fraction form
    9,403,872.84/12,978,763.01 = 5,734,917.72/x
  3. Step 3: Cross multiply
    9,403,872.84x = 12,978,763.01 × 5,734,917.72
  4. Step 4: Simplify right side
    9,403,872.84x = 74,432,137,903,137.56
  5. Step 5: Solve for x
    x = 74,432,137,903,137.56/9,403,872.84
  6. Step 6: Final answer
    x = 7,915,051.51

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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.