Home / 13,727,566.47-18,943,408.67-7,532,462.51

Finding the Fourth Proportional to 13,727,566.47, 18,943,408.67 and 7,532,462.51

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Solution

The fourth proportional to 13,727,566.47, 18,943,408.67 and 7,532,462.51 is: 10,394,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727,566.47 : 18,943,408.67 = 7,532,462.51 : x
  2. Step 2: Convert to fraction form
    13,727,566.47/18,943,408.67 = 7,532,462.51/x
  3. Step 3: Cross multiply
    13,727,566.47x = 18,943,408.67 × 7,532,462.51
  4. Step 4: Simplify right side
    13,727,566.47x = 142,690,515,486,004.59
  5. Step 5: Solve for x
    x = 142,690,515,486,004.59/13,727,566.47
  6. Step 6: Final answer
    x = 10,394,450.89

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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.