Home / 30,348,611.20-45,522,916.80-8,783,916.40

Finding the Fourth Proportional to 30,348,611.20, 45,522,916.80 and 8,783,916.40

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Solution

The fourth proportional to 30,348,611.20, 45,522,916.80 and 8,783,916.40 is: 13,175,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,611.20 : 45,522,916.80 = 8,783,916.40 : x
  2. Step 2: Convert to fraction form
    30,348,611.20/45,522,916.80 = 8,783,916.40/x
  3. Step 3: Cross multiply
    30,348,611.20x = 45,522,916.80 × 8,783,916.40
  4. Step 4: Simplify right side
    30,348,611.20x = 399,869,495,455,355.50
  5. Step 5: Solve for x
    x = 399,869,495,455,355.50/30,348,611.20
  6. Step 6: Final answer
    x = 13,175,874.60

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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.