Home / 7,353,718.78-10,143,987.51-4,412,775.10

Finding the Fourth Proportional to 7,353,718.78, 10,143,987.51 and 4,412,775.10

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Solution

The fourth proportional to 7,353,718.78, 10,143,987.51 and 4,412,775.10 is: 6,087,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353,718.78 : 10,143,987.51 = 4,412,775.10 : x
  2. Step 2: Convert to fraction form
    7,353,718.78/10,143,987.51 = 4,412,775.10/x
  3. Step 3: Cross multiply
    7,353,718.78x = 10,143,987.51 × 4,412,775.10
  4. Step 4: Simplify right side
    7,353,718.78x = 44,763,135,498,839
  5. Step 5: Solve for x
    x = 44,763,135,498,839/7,353,718.78
  6. Step 6: Final answer
    x = 6,087,142.69

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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.