Home / 8,395,205.40-12,571,812.90-6,715,589.40

Finding the Fourth Proportional to 8,395,205.40, 12,571,812.90 and 6,715,589.40

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Solution

The fourth proportional to 8,395,205.40, 12,571,812.90 and 6,715,589.40 is: 10,056,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395,205.40 : 12,571,812.90 = 6,715,589.40 : x
  2. Step 2: Convert to fraction form
    8,395,205.40/12,571,812.90 = 6,715,589.40/x
  3. Step 3: Cross multiply
    8,395,205.40x = 12,571,812.90 × 6,715,589.40
  4. Step 4: Simplify right side
    8,395,205.40x = 84,427,133,450,023.27
  5. Step 5: Solve for x
    x = 84,427,133,450,023.27/8,395,205.40
  6. Step 6: Final answer
    x = 10,056,589.38

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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.