Home / 7,228,370.23-9,975,166.07-3,965,211.32

Finding the Fourth Proportional to 7,228,370.23, 9,975,166.07 and 3,965,211.32

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Solution

The fourth proportional to 7,228,370.23, 9,975,166.07 and 3,965,211.32 is: 5,471,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,370.23 : 9,975,166.07 = 3,965,211.32 : x
  2. Step 2: Convert to fraction form
    7,228,370.23/9,975,166.07 = 3,965,211.32/x
  3. Step 3: Cross multiply
    7,228,370.23x = 9,975,166.07 × 3,965,211.32
  4. Step 4: Simplify right side
    7,228,370.23x = 39,553,641,349,942.02
  5. Step 5: Solve for x
    x = 39,553,641,349,942.02/7,228,370.23
  6. Step 6: Final answer
    x = 5,471,999.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.