Home / 8,160,459.10-12,240,245.64-2,480,240.54

Finding the Fourth Proportional to 8,160,459.10, 12,240,245.64 and 2,480,240.54

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Solution

The fourth proportional to 8,160,459.10, 12,240,245.64 and 2,480,240.54 is: 3,720,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,459.10 : 12,240,245.64 = 2,480,240.54 : x
  2. Step 2: Convert to fraction form
    8,160,459.10/12,240,245.64 = 2,480,240.54/x
  3. Step 3: Cross multiply
    8,160,459.10x = 12,240,245.64 × 2,480,240.54
  4. Step 4: Simplify right side
    8,160,459.10x = 30,358,753,455,886.25
  5. Step 5: Solve for x
    x = 30,358,753,455,886.25/8,160,459.10
  6. Step 6: Final answer
    x = 3,720,226.16

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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.