Home / 6,869,899.90-9,480,091.80-3,813,917.32

Finding the Fourth Proportional to 6,869,899.90, 9,480,091.80 and 3,813,917.32

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Solution

The fourth proportional to 6,869,899.90, 9,480,091.80 and 3,813,917.32 is: 5,263,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,899.90 : 9,480,091.80 = 3,813,917.32 : x
  2. Step 2: Convert to fraction form
    6,869,899.90/9,480,091.80 = 3,813,917.32/x
  3. Step 3: Cross multiply
    6,869,899.90x = 9,480,091.80 × 3,813,917.32
  4. Step 4: Simplify right side
    6,869,899.90x = 36,156,286,311,209.98
  5. Step 5: Solve for x
    x = 36,156,286,311,209.98/6,869,899.90
  6. Step 6: Final answer
    x = 5,263,000.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.