Home / 28,099,372.85-42,151,950.61-10,606,664.03

Finding the Fourth Proportional to 28,099,372.85, 42,151,950.61 and 10,606,664.03

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Solution

The fourth proportional to 28,099,372.85, 42,151,950.61 and 10,606,664.03 is: 15,911,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099,372.85 : 42,151,950.61 = 10,606,664.03 : x
  2. Step 2: Convert to fraction form
    28,099,372.85/42,151,950.61 = 10,606,664.03/x
  3. Step 3: Cross multiply
    28,099,372.85x = 42,151,950.61 × 10,606,664.03
  4. Step 4: Simplify right side
    28,099,372.85x = 447,091,578,432,849
  5. Step 5: Solve for x
    x = 447,091,578,432,849/28,099,372.85
  6. Step 6: Final answer
    x = 15,911,087.44

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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.