Home / 13,042,485.81-17,999,192.52-7,241,267.97

Finding the Fourth Proportional to 13,042,485.81, 17,999,192.52 and 7,241,267.97

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Solution

The fourth proportional to 13,042,485.81, 17,999,192.52 and 7,241,267.97 is: 9,993,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,485.81 : 17,999,192.52 = 7,241,267.97 : x
  2. Step 2: Convert to fraction form
    13,042,485.81/17,999,192.52 = 7,241,267.97/x
  3. Step 3: Cross multiply
    13,042,485.81x = 17,999,192.52 × 7,241,267.97
  4. Step 4: Simplify right side
    13,042,485.81x = 130,336,976,280,939.58
  5. Step 5: Solve for x
    x = 130,336,976,280,939.58/13,042,485.81
  6. Step 6: Final answer
    x = 9,993,261.88

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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.