Home / 9,515,620.67-13,131,566.25-5,164,707.88

Finding the Fourth Proportional to 9,515,620.67, 13,131,566.25 and 5,164,707.88

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Solution

The fourth proportional to 9,515,620.67, 13,131,566.25 and 5,164,707.88 is: 7,127,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,620.67 : 13,131,566.25 = 5,164,707.88 : x
  2. Step 2: Convert to fraction form
    9,515,620.67/13,131,566.25 = 5,164,707.88/x
  3. Step 3: Cross multiply
    9,515,620.67x = 13,131,566.25 × 5,164,707.88
  4. Step 4: Simplify right side
    9,515,620.67x = 67,820,703,655,288.14
  5. Step 5: Solve for x
    x = 67,820,703,655,288.14/9,515,620.67
  6. Step 6: Final answer
    x = 7,127,302.15

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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.