Home / 13,215,357.40-19,842,495.29-7,390,954.44

Finding the Fourth Proportional to 13,215,357.40, 19,842,495.29 and 7,390,954.44

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Solution

The fourth proportional to 13,215,357.40, 19,842,495.29 and 7,390,954.44 is: 11,097,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,357.40 : 19,842,495.29 = 7,390,954.44 : x
  2. Step 2: Convert to fraction form
    13,215,357.40/19,842,495.29 = 7,390,954.44/x
  3. Step 3: Cross multiply
    13,215,357.40x = 19,842,495.29 × 7,390,954.44
  4. Step 4: Simplify right side
    13,215,357.40x = 146,654,978,729,475.25
  5. Step 5: Solve for x
    x = 146,654,978,729,475.25/13,215,357.40
  6. Step 6: Final answer
    x = 11,097,314.61

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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.