Home / 7,780,325.14-11,672,000.34-2,987,662.06

Finding the Fourth Proportional to 7,780,325.14, 11,672,000.34 and 2,987,662.06

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Solution

The fourth proportional to 7,780,325.14, 11,672,000.34 and 2,987,662.06 is: 4,482,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,325.14 : 11,672,000.34 = 2,987,662.06 : x
  2. Step 2: Convert to fraction form
    7,780,325.14/11,672,000.34 = 2,987,662.06/x
  3. Step 3: Cross multiply
    7,780,325.14x = 11,672,000.34 × 2,987,662.06
  4. Step 4: Simplify right side
    7,780,325.14x = 34,871,992,580,125.10
  5. Step 5: Solve for x
    x = 34,871,992,580,125.10/7,780,325.14
  6. Step 6: Final answer
    x = 4,482,073.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.