Home / 12,982,697.90-17,914,368.09-7,401,664.37

Finding the Fourth Proportional to 12,982,697.90, 17,914,368.09 and 7,401,664.37

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Solution

The fourth proportional to 12,982,697.90, 17,914,368.09 and 7,401,664.37 is: 10,213,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,697.90 : 17,914,368.09 = 7,401,664.37 : x
  2. Step 2: Convert to fraction form
    12,982,697.90/17,914,368.09 = 7,401,664.37/x
  3. Step 3: Cross multiply
    12,982,697.90x = 17,914,368.09 × 7,401,664.37
  4. Step 4: Simplify right side
    12,982,697.90x = 132,596,139,913,246.11
  5. Step 5: Solve for x
    x = 132,596,139,913,246.11/12,982,697.90
  6. Step 6: Final answer
    x = 10,213,296.26

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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.