Home / 17,130,696.12-23,646,013.62-15,314,662.65

Finding the Fourth Proportional to 17,130,696.12, 23,646,013.62 and 15,314,662.65

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Solution

The fourth proportional to 17,130,696.12, 23,646,013.62 and 15,314,662.65 is: 21,139,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130,696.12 : 23,646,013.62 = 15,314,662.65 : x
  2. Step 2: Convert to fraction form
    17,130,696.12/23,646,013.62 = 15,314,662.65/x
  3. Step 3: Cross multiply
    17,130,696.12x = 23,646,013.62 × 15,314,662.65
  4. Step 4: Simplify right side
    17,130,696.12x = 362,130,721,607,605.31
  5. Step 5: Solve for x
    x = 362,130,721,607,605.31/17,130,696.12
  6. Step 6: Final answer
    x = 21,139,288.16

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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.