Home / 12,566,964.60-18,838,005.30-6,171,982.20

Finding the Fourth Proportional to 12,566,964.60, 18,838,005.30 and 6,171,982.20

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Solution

The fourth proportional to 12,566,964.60, 18,838,005.30 and 6,171,982.20 is: 9,251,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566,964.60 : 18,838,005.30 = 6,171,982.20 : x
  2. Step 2: Convert to fraction form
    12,566,964.60/18,838,005.30 = 6,171,982.20/x
  3. Step 3: Cross multiply
    12,566,964.60x = 18,838,005.30 × 6,171,982.20
  4. Step 4: Simplify right side
    12,566,964.60x = 116,267,833,395,105.67
  5. Step 5: Solve for x
    x = 116,267,833,395,105.67/12,566,964.60
  6. Step 6: Final answer
    x = 9,251,862.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.