Home / 8,240,103.90-12,365,404.65-4,828,383.90

Finding the Fourth Proportional to 8,240,103.90, 12,365,404.65 and 4,828,383.90

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Solution

The fourth proportional to 8,240,103.90, 12,365,404.65 and 4,828,383.90 is: 7,245,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,103.90 : 12,365,404.65 = 4,828,383.90 : x
  2. Step 2: Convert to fraction form
    8,240,103.90/12,365,404.65 = 4,828,383.90/x
  3. Step 3: Cross multiply
    8,240,103.90x = 12,365,404.65 × 4,828,383.90
  4. Step 4: Simplify right side
    8,240,103.90x = 59,704,920,729,045.14
  5. Step 5: Solve for x
    x = 59,704,920,729,045.14/8,240,103.90
  6. Step 6: Final answer
    x = 7,245,651.44

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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.