Home / 8,160,636.10-12,240,511.44-2,480,417.56

Finding the Fourth Proportional to 8,160,636.10, 12,240,511.44 and 2,480,417.56

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Solution

The fourth proportional to 8,160,636.10, 12,240,511.44 and 2,480,417.56 is: 3,720,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,636.10 : 12,240,511.44 = 2,480,417.56 : x
  2. Step 2: Convert to fraction form
    8,160,636.10/12,240,511.44 = 2,480,417.56/x
  3. Step 3: Cross multiply
    8,160,636.10x = 12,240,511.44 × 2,480,417.56
  4. Step 4: Simplify right side
    8,160,636.10x = 30,361,579,519,156.89
  5. Step 5: Solve for x
    x = 30,361,579,519,156.89/8,160,636.10
  6. Step 6: Final answer
    x = 3,720,491.78

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Double scale
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1.5x scale

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.