Home / 13,384,329.47-18,470,485.38-7,272,757.97

Finding the Fourth Proportional to 13,384,329.47, 18,470,485.38 and 7,272,757.97

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Solution

The fourth proportional to 13,384,329.47, 18,470,485.38 and 7,272,757.97 is: 10,036,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,329.47 : 18,470,485.38 = 7,272,757.97 : x
  2. Step 2: Convert to fraction form
    13,384,329.47/18,470,485.38 = 7,272,757.97/x
  3. Step 3: Cross multiply
    13,384,329.47x = 18,470,485.38 × 7,272,757.97
  4. Step 4: Simplify right side
    13,384,329.47x = 134,331,369,761,348.20
  5. Step 5: Solve for x
    x = 134,331,369,761,348.20/13,384,329.47
  6. Step 6: Final answer
    x = 10,036,466.16

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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.