Home / 14,783,785.54-20,401,406.82-8,257,510.24

Finding the Fourth Proportional to 14,783,785.54, 20,401,406.82 and 8,257,510.24

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Solution

The fourth proportional to 14,783,785.54, 20,401,406.82 and 8,257,510.24 is: 11,395,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783,785.54 : 20,401,406.82 = 8,257,510.24 : x
  2. Step 2: Convert to fraction form
    14,783,785.54/20,401,406.82 = 8,257,510.24/x
  3. Step 3: Cross multiply
    14,783,785.54x = 20,401,406.82 × 8,257,510.24
  4. Step 4: Simplify right side
    14,783,785.54x = 168,464,825,675,552.31
  5. Step 5: Solve for x
    x = 168,464,825,675,552.31/14,783,785.54
  6. Step 6: Final answer
    x = 11,395,242.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.