Home / 8,317,155.80-12,457,071.30-6,824,163.80

Finding the Fourth Proportional to 8,317,155.80, 12,457,071.30 and 6,824,163.80

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Solution

The fourth proportional to 8,317,155.80, 12,457,071.30 and 6,824,163.80 is: 10,220,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,155.80 : 12,457,071.30 = 6,824,163.80 : x
  2. Step 2: Convert to fraction form
    8,317,155.80/12,457,071.30 = 6,824,163.80/x
  3. Step 3: Cross multiply
    8,317,155.80x = 12,457,071.30 × 6,824,163.80
  4. Step 4: Simplify right side
    8,317,155.80x = 85,009,095,019,478.94
  5. Step 5: Solve for x
    x = 85,009,095,019,478.94/8,317,155.80
  6. Step 6: Final answer
    x = 10,220,933.34

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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.