Home / 18,745,156.84-28,112,223.48-7,962,372.04

Finding the Fourth Proportional to 18,745,156.84, 28,112,223.48 and 7,962,372.04

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Solution

The fourth proportional to 18,745,156.84, 28,112,223.48 and 7,962,372.04 is: 11,941,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,156.84 : 28,112,223.48 = 7,962,372.04 : x
  2. Step 2: Convert to fraction form
    18,745,156.84/28,112,223.48 = 7,962,372.04/x
  3. Step 3: Cross multiply
    18,745,156.84x = 28,112,223.48 × 7,962,372.04
  4. Step 4: Simplify right side
    18,745,156.84x = 223,839,982,219,383.50
  5. Step 5: Solve for x
    x = 223,839,982,219,383.50/18,745,156.84
  6. Step 6: Final answer
    x = 11,941,216.82

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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.