Home / 28,065,465-42,098,199.12-6,790,329

Finding the Fourth Proportional to 28,065,465, 42,098,199.12 and 6,790,329

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Solution

The fourth proportional to 28,065,465, 42,098,199.12 and 6,790,329 is: 10,185,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,465 : 42,098,199.12 = 6,790,329 : x
  2. Step 2: Convert to fraction form
    28,065,465/42,098,199.12 = 6,790,329/x
  3. Step 3: Cross multiply
    28,065,465x = 42,098,199.12 × 6,790,329
  4. Step 4: Simplify right side
    28,065,465x = 285,860,622,332,310.44
  5. Step 5: Solve for x
    x = 285,860,622,332,310.44/28,065,465
  6. Step 6: Final answer
    x = 10,185,493.89

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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.