Home / 41,991,812.40-62,987,718.60-20,758,148.40

Finding the Fourth Proportional to 41,991,812.40, 62,987,718.60 and 20,758,148.40

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Solution

The fourth proportional to 41,991,812.40, 62,987,718.60 and 20,758,148.40 is: 31,137,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,991,812.40 : 62,987,718.60 = 20,758,148.40 : x
  2. Step 2: Convert to fraction form
    41,991,812.40/62,987,718.60 = 20,758,148.40/x
  3. Step 3: Cross multiply
    41,991,812.40x = 62,987,718.60 × 20,758,148.40
  4. Step 4: Simplify right side
    41,991,812.40x = 1,307,508,410,076,240.25
  5. Step 5: Solve for x
    x = 1,307,508,410,076,240.25/41,991,812.40
  6. Step 6: Final answer
    x = 31,137,222.60

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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.