Home / 28,331,942.36-42,493,159.25-7,863,741.32

Finding the Fourth Proportional to 28,331,942.36, 42,493,159.25 and 7,863,741.32

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Solution

The fourth proportional to 28,331,942.36, 42,493,159.25 and 7,863,741.32 is: 11,794,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,942.36 : 42,493,159.25 = 7,863,741.32 : x
  2. Step 2: Convert to fraction form
    28,331,942.36/42,493,159.25 = 7,863,741.32/x
  3. Step 3: Cross multiply
    28,331,942.36x = 42,493,159.25 × 7,863,741.32
  4. Step 4: Simplify right side
    28,331,942.36x = 334,155,212,172,246.50
  5. Step 5: Solve for x
    x = 334,155,212,172,246.50/28,331,942.36
  6. Step 6: Final answer
    x = 11,794,292.39

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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.