Home / 28,331,839.90-42,493,005.97-7,863,639.01

Finding the Fourth Proportional to 28,331,839.90, 42,493,005.97 and 7,863,639.01

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Solution

The fourth proportional to 28,331,839.90, 42,493,005.97 and 7,863,639.01 is: 11,794,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,839.90 : 42,493,005.97 = 7,863,639.01 : x
  2. Step 2: Convert to fraction form
    28,331,839.90/42,493,005.97 = 7,863,639.01/x
  3. Step 3: Cross multiply
    28,331,839.90x = 42,493,005.97 × 7,863,639.01
  4. Step 4: Simplify right side
    28,331,839.90x = 334,149,659,566,275.69
  5. Step 5: Solve for x
    x = 334,149,659,566,275.69/28,331,839.90
  6. Step 6: Final answer
    x = 11,794,139.06

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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.