Home / 47,954,611.20-71,931,916.80-17,658,537.60

Finding the Fourth Proportional to 47,954,611.20, 71,931,916.80 and 17,658,537.60

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Solution

The fourth proportional to 47,954,611.20, 71,931,916.80 and 17,658,537.60 is: 26,487,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,611.20 : 71,931,916.80 = 17,658,537.60 : x
  2. Step 2: Convert to fraction form
    47,954,611.20/71,931,916.80 = 17,658,537.60/x
  3. Step 3: Cross multiply
    47,954,611.20x = 71,931,916.80 × 17,658,537.60
  4. Step 4: Simplify right side
    47,954,611.20x = 1,270,212,457,452,871.75
  5. Step 5: Solve for x
    x = 1,270,212,457,452,871.75/47,954,611.20
  6. Step 6: Final answer
    x = 26,487,806.40

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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.