Home / 13,042,781.64-17,999,601.30-7,241,564.52

Finding the Fourth Proportional to 13,042,781.64, 17,999,601.30 and 7,241,564.52

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Solution

The fourth proportional to 13,042,781.64, 17,999,601.30 and 7,241,564.52 is: 9,993,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,781.64 : 17,999,601.30 = 7,241,564.52 : x
  2. Step 2: Convert to fraction form
    13,042,781.64/17,999,601.30 = 7,241,564.52/x
  3. Step 3: Cross multiply
    13,042,781.64x = 17,999,601.30 × 7,241,564.52
  4. Step 4: Simplify right side
    13,042,781.64x = 130,345,274,148,225.88
  5. Step 5: Solve for x
    x = 130,345,274,148,225.88/13,042,781.64
  6. Step 6: Final answer
    x = 9,993,671.42

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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.