Home / 17,138,387.70-23,650,972.47-9,796,378.50

Finding the Fourth Proportional to 17,138,387.70, 23,650,972.47 and 9,796,378.50

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Solution

The fourth proportional to 17,138,387.70, 23,650,972.47 and 9,796,378.50 is: 13,519,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138,387.70 : 23,650,972.47 = 9,796,378.50 : x
  2. Step 2: Convert to fraction form
    17,138,387.70/23,650,972.47 = 9,796,378.50/x
  3. Step 3: Cross multiply
    17,138,387.70x = 23,650,972.47 × 9,796,378.50
  4. Step 4: Simplify right side
    17,138,387.70x = 231,693,878,209,199.88
  5. Step 5: Solve for x
    x = 231,693,878,209,199.88/17,138,387.70
  6. Step 6: Final answer
    x = 13,519,000.87

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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.