Home / 28,065,453-42,098,181.12-6,790,317

Finding the Fourth Proportional to 28,065,453, 42,098,181.12 and 6,790,317

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Solution

The fourth proportional to 28,065,453, 42,098,181.12 and 6,790,317 is: 10,185,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,453 : 42,098,181.12 = 6,790,317 : x
  2. Step 2: Convert to fraction form
    28,065,453/42,098,181.12 = 6,790,317/x
  3. Step 3: Cross multiply
    28,065,453x = 42,098,181.12 × 6,790,317
  4. Step 4: Simplify right side
    28,065,453x = 285,859,994,928,215
  5. Step 5: Solve for x
    x = 285,859,994,928,215/28,065,453
  6. Step 6: Final answer
    x = 10,185,475.89

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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.