Home / 13,287,076.52-18,336,165.75-7,175,505.02

Finding the Fourth Proportional to 13,287,076.52, 18,336,165.75 and 7,175,505.02

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Solution

The fourth proportional to 13,287,076.52, 18,336,165.75 and 7,175,505.02 is: 9,902,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,076.52 : 18,336,165.75 = 7,175,505.02 : x
  2. Step 2: Convert to fraction form
    13,287,076.52/18,336,165.75 = 7,175,505.02/x
  3. Step 3: Cross multiply
    13,287,076.52x = 18,336,165.75 × 7,175,505.02
  4. Step 4: Simplify right side
    13,287,076.52x = 131,571,249,294,996.23
  5. Step 5: Solve for x
    x = 131,571,249,294,996.23/13,287,076.52
  6. Step 6: Final answer
    x = 9,902,197.01

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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.