Home / 13,103,802.54-18,082,452.03-7,223,179.02

Finding the Fourth Proportional to 13,103,802.54, 18,082,452.03 and 7,223,179.02

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Solution

The fourth proportional to 13,103,802.54, 18,082,452.03 and 7,223,179.02 is: 9,967,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,802.54 : 18,082,452.03 = 7,223,179.02 : x
  2. Step 2: Convert to fraction form
    13,103,802.54/18,082,452.03 = 7,223,179.02/x
  3. Step 3: Cross multiply
    13,103,802.54x = 18,082,452.03 × 7,223,179.02
  4. Step 4: Simplify right side
    13,103,802.54x = 130,612,788,133,252.41
  5. Step 5: Solve for x
    x = 130,612,788,133,252.41/13,103,802.54
  6. Step 6: Final answer
    x = 9,967,548.56

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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.