Home / 13,141,078.95-18,134,495.96-7,339,945.35

Finding the Fourth Proportional to 13,141,078.95, 18,134,495.96 and 7,339,945.35

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Solution

The fourth proportional to 13,141,078.95, 18,134,495.96 and 7,339,945.35 is: 10,129,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,078.95 : 18,134,495.96 = 7,339,945.35 : x
  2. Step 2: Convert to fraction form
    13,141,078.95/18,134,495.96 = 7,339,945.35/x
  3. Step 3: Cross multiply
    13,141,078.95x = 18,134,495.96 × 7,339,945.35
  4. Step 4: Simplify right side
    13,141,078.95x = 133,106,209,259,496.05
  5. Step 5: Solve for x
    x = 133,106,209,259,496.05/13,141,078.95
  6. Step 6: Final answer
    x = 10,129,016.79

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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.