Home / 8,171,021.70-12,256,532.55-2,785,752.90

Finding the Fourth Proportional to 8,171,021.70, 12,256,532.55 and 2,785,752.90

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Solution

The fourth proportional to 8,171,021.70, 12,256,532.55 and 2,785,752.90 is: 4,178,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,021.70 : 12,256,532.55 = 2,785,752.90 : x
  2. Step 2: Convert to fraction form
    8,171,021.70/12,256,532.55 = 2,785,752.90/x
  3. Step 3: Cross multiply
    8,171,021.70x = 12,256,532.55 × 2,785,752.90
  4. Step 4: Simplify right side
    8,171,021.70x = 34,143,671,095,106.89
  5. Step 5: Solve for x
    x = 34,143,671,095,106.89/8,171,021.70
  6. Step 6: Final answer
    x = 4,178,629.35

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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.