Home / 20,984,626.80-31,478,063.67-6,608,814.30

Finding the Fourth Proportional to 20,984,626.80, 31,478,063.67 and 6,608,814.30

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Solution

The fourth proportional to 20,984,626.80, 31,478,063.67 and 6,608,814.30 is: 9,913,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984,626.80 : 31,478,063.67 = 6,608,814.30 : x
  2. Step 2: Convert to fraction form
    20,984,626.80/31,478,063.67 = 6,608,814.30/x
  3. Step 3: Cross multiply
    20,984,626.80x = 31,478,063.67 × 6,608,814.30
  4. Step 4: Simplify right side
    20,984,626.80x = 208,032,677,318,606.50
  5. Step 5: Solve for x
    x = 208,032,677,318,606.50/20,984,626.80
  6. Step 6: Final answer
    x = 9,913,575.27

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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.