Home / 13,559,940.22-18,712,854.96-7,365,046.79

Finding the Fourth Proportional to 13,559,940.22, 18,712,854.96 and 7,365,046.79

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Solution

The fourth proportional to 13,559,940.22, 18,712,854.96 and 7,365,046.79 is: 10,163,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,940.22 : 18,712,854.96 = 7,365,046.79 : x
  2. Step 2: Convert to fraction form
    13,559,940.22/18,712,854.96 = 7,365,046.79/x
  3. Step 3: Cross multiply
    13,559,940.22x = 18,712,854.96 × 7,365,046.79
  4. Step 4: Simplify right side
    13,559,940.22x = 137,821,052,354,883.58
  5. Step 5: Solve for x
    x = 137,821,052,354,883.58/13,559,940.22
  6. Step 6: Final answer
    x = 10,163,839.23

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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.