Home / 12,515,671.04-17,271,871.20-8,167,539.20

Finding the Fourth Proportional to 12,515,671.04, 17,271,871.20 and 8,167,539.20

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Solution

The fourth proportional to 12,515,671.04, 17,271,871.20 and 8,167,539.20 is: 11,271,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,671.04 : 17,271,871.20 = 8,167,539.20 : x
  2. Step 2: Convert to fraction form
    12,515,671.04/17,271,871.20 = 8,167,539.20/x
  3. Step 3: Cross multiply
    12,515,671.04x = 17,271,871.20 × 8,167,539.20
  4. Step 4: Simplify right side
    12,515,671.04x = 141,068,685,083,351.03
  5. Step 5: Solve for x
    x = 141,068,685,083,351.03/12,515,671.04
  6. Step 6: Final answer
    x = 11,271,364.09

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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.