Home / 7,164,478.14-9,886,837.77-3,901,331.58

Finding the Fourth Proportional to 7,164,478.14, 9,886,837.77 and 3,901,331.58

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Solution

The fourth proportional to 7,164,478.14, 9,886,837.77 and 3,901,331.58 is: 5,383,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,478.14 : 9,886,837.77 = 3,901,331.58 : x
  2. Step 2: Convert to fraction form
    7,164,478.14/9,886,837.77 = 3,901,331.58/x
  3. Step 3: Cross multiply
    7,164,478.14x = 9,886,837.77 × 3,901,331.58
  4. Step 4: Simplify right side
    7,164,478.14x = 38,571,832,418,437.77
  5. Step 5: Solve for x
    x = 38,571,832,418,437.77/7,164,478.14
  6. Step 6: Final answer
    x = 5,383,760.22

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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.