Home / 12,452,518.40-18,664,780.80-6,384,905.60

Finding the Fourth Proportional to 12,452,518.40, 18,664,780.80 and 6,384,905.60

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Solution

The fourth proportional to 12,452,518.40, 18,664,780.80 and 6,384,905.60 is: 9,570,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,518.40 : 18,664,780.80 = 6,384,905.60 : x
  2. Step 2: Convert to fraction form
    12,452,518.40/18,664,780.80 = 6,384,905.60/x
  3. Step 3: Cross multiply
    12,452,518.40x = 18,664,780.80 × 6,384,905.60
  4. Step 4: Simplify right side
    12,452,518.40x = 119,172,863,452,692.48
  5. Step 5: Solve for x
    x = 119,172,863,452,692.48/12,452,518.40
  6. Step 6: Final answer
    x = 9,570,181.68

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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.