Home / 13,832,812.40-20,749,218.60-13,434,231.65

Finding the Fourth Proportional to 13,832,812.40, 20,749,218.60 and 13,434,231.65

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Solution

The fourth proportional to 13,832,812.40, 20,749,218.60 and 13,434,231.65 is: 20,151,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,812.40 : 20,749,218.60 = 13,434,231.65 : x
  2. Step 2: Convert to fraction form
    13,832,812.40/20,749,218.60 = 13,434,231.65/x
  3. Step 3: Cross multiply
    13,832,812.40x = 20,749,218.60 × 13,434,231.65
  4. Step 4: Simplify right side
    13,832,812.40x = 278,749,809,228,888.72
  5. Step 5: Solve for x
    x = 278,749,809,228,888.72/13,832,812.40
  6. Step 6: Final answer
    x = 20,151,347.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.