Home / 8,524,820.40-12,785,690.12-2,458,060.54

Finding the Fourth Proportional to 8,524,820.40, 12,785,690.12 and 2,458,060.54

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Solution

The fourth proportional to 8,524,820.40, 12,785,690.12 and 2,458,060.54 is: 3,686,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524,820.40 : 12,785,690.12 = 2,458,060.54 : x
  2. Step 2: Convert to fraction form
    8,524,820.40/12,785,690.12 = 2,458,060.54/x
  3. Step 3: Cross multiply
    8,524,820.40x = 12,785,690.12 × 2,458,060.54
  4. Step 4: Simplify right side
    8,524,820.40x = 31,428,000,360,639.86
  5. Step 5: Solve for x
    x = 31,428,000,360,639.86/8,524,820.40
  6. Step 6: Final answer
    x = 3,686,646.63

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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.