Home / 12,130,091.99-18,179,432.60-4,933,265.48

Finding the Fourth Proportional to 12,130,091.99, 18,179,432.60 and 4,933,265.48

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Solution

The fourth proportional to 12,130,091.99, 18,179,432.60 and 4,933,265.48 is: 7,393,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,091.99 : 18,179,432.60 = 4,933,265.48 : x
  2. Step 2: Convert to fraction form
    12,130,091.99/18,179,432.60 = 4,933,265.48/x
  3. Step 3: Cross multiply
    12,130,091.99x = 18,179,432.60 × 4,933,265.48
  4. Step 4: Simplify right side
    12,130,091.99x = 89,683,967,312,348.89
  5. Step 5: Solve for x
    x = 89,683,967,312,348.89/12,130,091.99
  6. Step 6: Final answer
    x = 7,393,510.90

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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.