Home / 55,198,461.60-82,797,692.40-18,847,897.20

Finding the Fourth Proportional to 55,198,461.60, 82,797,692.40 and 18,847,897.20

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Solution

The fourth proportional to 55,198,461.60, 82,797,692.40 and 18,847,897.20 is: 28,271,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,198,461.60 : 82,797,692.40 = 18,847,897.20 : x
  2. Step 2: Convert to fraction form
    55,198,461.60/82,797,692.40 = 18,847,897.20/x
  3. Step 3: Cross multiply
    55,198,461.60x = 82,797,692.40 × 18,847,897.20
  4. Step 4: Simplify right side
    55,198,461.60x = 1,560,562,394,752,421.25
  5. Step 5: Solve for x
    x = 1,560,562,394,752,421.25/55,198,461.60
  6. Step 6: Final answer
    x = 28,271,845.80

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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.