Home / 28,065,472-42,098,209.62-6,790,336

Finding the Fourth Proportional to 28,065,472, 42,098,209.62 and 6,790,336

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Solution

The fourth proportional to 28,065,472, 42,098,209.62 and 6,790,336 is: 10,185,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,472 : 42,098,209.62 = 6,790,336 : x
  2. Step 2: Convert to fraction form
    28,065,472/42,098,209.62 = 6,790,336/x
  3. Step 3: Cross multiply
    28,065,472x = 42,098,209.62 × 6,790,336
  4. Step 4: Simplify right side
    28,065,472x = 285,860,988,318,232.31
  5. Step 5: Solve for x
    x = 285,860,988,318,232.31/28,065,472
  6. Step 6: Final answer
    x = 10,185,504.39

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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.