Home / 30,348,611.70-45,522,917.55-8,783,916.90

Finding the Fourth Proportional to 30,348,611.70, 45,522,917.55 and 8,783,916.90

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Solution

The fourth proportional to 30,348,611.70, 45,522,917.55 and 8,783,916.90 is: 13,175,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,611.70 : 45,522,917.55 = 8,783,916.90 : x
  2. Step 2: Convert to fraction form
    30,348,611.70/45,522,917.55 = 8,783,916.90/x
  3. Step 3: Cross multiply
    30,348,611.70x = 45,522,917.55 × 8,783,916.90
  4. Step 4: Simplify right side
    30,348,611.70x = 399,869,524,804,751.56
  5. Step 5: Solve for x
    x = 399,869,524,804,751.56/30,348,611.70
  6. Step 6: Final answer
    x = 13,175,875.35

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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.