Home / 7,049,739.25-9,731,827.89-4,440,078.72

Finding the Fourth Proportional to 7,049,739.25, 9,731,827.89 and 4,440,078.72

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Solution

The fourth proportional to 7,049,739.25, 9,731,827.89 and 4,440,078.72 is: 6,129,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049,739.25 : 9,731,827.89 = 4,440,078.72 : x
  2. Step 2: Convert to fraction form
    7,049,739.25/9,731,827.89 = 4,440,078.72/x
  3. Step 3: Cross multiply
    7,049,739.25x = 9,731,827.89 × 4,440,078.72
  4. Step 4: Simplify right side
    7,049,739.25x = 43,210,081,921,091.50
  5. Step 5: Solve for x
    x = 43,210,081,921,091.50/7,049,739.25
  6. Step 6: Final answer
    x = 6,129,316.33

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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.