Home / 13,141,038.33-18,134,441.87-7,339,902.57

Finding the Fourth Proportional to 13,141,038.33, 18,134,441.87 and 7,339,902.57

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Solution

The fourth proportional to 13,141,038.33, 18,134,441.87 and 7,339,902.57 is: 10,128,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,038.33 : 18,134,441.87 = 7,339,902.57 : x
  2. Step 2: Convert to fraction form
    13,141,038.33/18,134,441.87 = 7,339,902.57/x
  3. Step 3: Cross multiply
    13,141,038.33x = 18,134,441.87 × 7,339,902.57
  4. Step 4: Simplify right side
    13,141,038.33x = 133,105,036,450,429.09
  5. Step 5: Solve for x
    x = 133,105,036,450,429.09/13,141,038.33
  6. Step 6: Final answer
    x = 10,128,958.85

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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.