Home / 13,134,954-18,126,064.84-7,333,834.48

Finding the Fourth Proportional to 13,134,954, 18,126,064.84 and 7,333,834.48

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Solution

The fourth proportional to 13,134,954, 18,126,064.84 and 7,333,834.48 is: 10,120,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,954 : 18,126,064.84 = 7,333,834.48 : x
  2. Step 2: Convert to fraction form
    13,134,954/18,126,064.84 = 7,333,834.48/x
  3. Step 3: Cross multiply
    13,134,954x = 18,126,064.84 × 7,333,834.48
  4. Step 4: Simplify right side
    13,134,954x = 132,933,559,310,307.69
  5. Step 5: Solve for x
    x = 132,933,559,310,307.69/13,134,954
  6. Step 6: Final answer
    x = 10,120,595.73

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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.