Home / 14,428,203.30-19,910,927.52-7,902,243.18

Finding the Fourth Proportional to 14,428,203.30, 19,910,927.52 and 7,902,243.18

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Solution

The fourth proportional to 14,428,203.30, 19,910,927.52 and 7,902,243.18 is: 10,905,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428,203.30 : 19,910,927.52 = 7,902,243.18 : x
  2. Step 2: Convert to fraction form
    14,428,203.30/19,910,927.52 = 7,902,243.18/x
  3. Step 3: Cross multiply
    14,428,203.30x = 19,910,927.52 × 7,902,243.18
  4. Step 4: Simplify right side
    14,428,203.30x = 157,340,991,202,394.31
  5. Step 5: Solve for x
    x = 157,340,991,202,394.31/14,428,203.30
  6. Step 6: Final answer
    x = 10,905,099.40

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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.