Home / 13,564,441.26-18,719,141.37-7,369,610.67

Finding the Fourth Proportional to 13,564,441.26, 18,719,141.37 and 7,369,610.67

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Solution

The fourth proportional to 13,564,441.26, 18,719,141.37 and 7,369,610.67 is: 10,170,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,441.26 : 18,719,141.37 = 7,369,610.67 : x
  2. Step 2: Convert to fraction form
    13,564,441.26/18,719,141.37 = 7,369,610.67/x
  3. Step 3: Cross multiply
    13,564,441.26x = 18,719,141.37 × 7,369,610.67
  4. Step 4: Simplify right side
    13,564,441.26x = 137,952,783,973,590.42
  5. Step 5: Solve for x
    x = 137,952,783,973,590.42/13,564,441.26
  6. Step 6: Final answer
    x = 10,170,178.14

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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.