Home / 11,150,362.60-15,390,328.88-7,619,589.16

Finding the Fourth Proportional to 11,150,362.60, 15,390,328.88 and 7,619,589.16

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Solution

The fourth proportional to 11,150,362.60, 15,390,328.88 and 7,619,589.16 is: 10,516,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150,362.60 : 15,390,328.88 = 7,619,589.16 : x
  2. Step 2: Convert to fraction form
    11,150,362.60/15,390,328.88 = 7,619,589.16/x
  3. Step 3: Cross multiply
    11,150,362.60x = 15,390,328.88 × 7,619,589.16
  4. Step 4: Simplify right side
    11,150,362.60x = 117,267,983,083,456.09
  5. Step 5: Solve for x
    x = 117,267,983,083,456.09/11,150,362.60
  6. Step 6: Final answer
    x = 10,516,965.89

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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.