Home / 13,147,817.60-19,721,726.40-9,959,171.60

Finding the Fourth Proportional to 13,147,817.60, 19,721,726.40 and 9,959,171.60

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Solution

The fourth proportional to 13,147,817.60, 19,721,726.40 and 9,959,171.60 is: 14,938,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,817.60 : 19,721,726.40 = 9,959,171.60 : x
  2. Step 2: Convert to fraction form
    13,147,817.60/19,721,726.40 = 9,959,171.60/x
  3. Step 3: Cross multiply
    13,147,817.60x = 19,721,726.40 × 9,959,171.60
  4. Step 4: Simplify right side
    13,147,817.60x = 196,412,057,465,850.22
  5. Step 5: Solve for x
    x = 196,412,057,465,850.22/13,147,817.60
  6. Step 6: Final answer
    x = 14,938,757.40

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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.