Home / 13,068,615.12-18,032,046.08-7,635,057.36

Finding the Fourth Proportional to 13,068,615.12, 18,032,046.08 and 7,635,057.36

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Solution

The fourth proportional to 13,068,615.12, 18,032,046.08 and 7,635,057.36 is: 10,534,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,615.12 : 18,032,046.08 = 7,635,057.36 : x
  2. Step 2: Convert to fraction form
    13,068,615.12/18,032,046.08 = 7,635,057.36/x
  3. Step 3: Cross multiply
    13,068,615.12x = 18,032,046.08 × 7,635,057.36
  4. Step 4: Simplify right side
    13,068,615.12x = 137,675,706,138,963.14
  5. Step 5: Solve for x
    x = 137,675,706,138,963.14/13,068,615.12
  6. Step 6: Final answer
    x = 10,534,835.17

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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.