Home / 12,163,227.40-18,242,508.30-3,643,841.80

Finding the Fourth Proportional to 12,163,227.40, 18,242,508.30 and 3,643,841.80

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Solution

The fourth proportional to 12,163,227.40, 18,242,508.30 and 3,643,841.80 is: 5,465,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163,227.40 : 18,242,508.30 = 3,643,841.80 : x
  2. Step 2: Convert to fraction form
    12,163,227.40/18,242,508.30 = 3,643,841.80/x
  3. Step 3: Cross multiply
    12,163,227.40x = 18,242,508.30 × 3,643,841.80
  4. Step 4: Simplify right side
    12,163,227.40x = 66,472,814,280,386.94
  5. Step 5: Solve for x
    x = 66,472,814,280,386.94/12,163,227.40
  6. Step 6: Final answer
    x = 5,465,063.84

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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.