Home / 8,317,157.80-12,457,074.30-6,824,165.80

Finding the Fourth Proportional to 8,317,157.80, 12,457,074.30 and 6,824,165.80

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Solution

The fourth proportional to 8,317,157.80, 12,457,074.30 and 6,824,165.80 is: 10,220,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,157.80 : 12,457,074.30 = 6,824,165.80 : x
  2. Step 2: Convert to fraction form
    8,317,157.80/12,457,074.30 = 6,824,165.80/x
  3. Step 3: Cross multiply
    8,317,157.80x = 12,457,074.30 × 6,824,165.80
  4. Step 4: Simplify right side
    8,317,157.80x = 85,009,140,406,118.94
  5. Step 5: Solve for x
    x = 85,009,140,406,118.94/8,317,157.80
  6. Step 6: Final answer
    x = 10,220,936.34

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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.