Home / 13,215,357.53-19,842,495.48-7,390,954.57

Finding the Fourth Proportional to 13,215,357.53, 19,842,495.48 and 7,390,954.57

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Solution

The fourth proportional to 13,215,357.53, 19,842,495.48 and 7,390,954.57 is: 11,097,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,357.53 : 19,842,495.48 = 7,390,954.57 : x
  2. Step 2: Convert to fraction form
    13,215,357.53/19,842,495.48 = 7,390,954.57/x
  3. Step 3: Cross multiply
    13,215,357.53x = 19,842,495.48 × 7,390,954.57
  4. Step 4: Simplify right side
    13,215,357.53x = 146,654,982,629,632.97
  5. Step 5: Solve for x
    x = 146,654,982,629,632.97/13,215,357.53
  6. Step 6: Final answer
    x = 11,097,314.80

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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.