Home / 12,367,815.40-18,552,644.70-4,388,602.60

Finding the Fourth Proportional to 12,367,815.40, 18,552,644.70 and 4,388,602.60

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Solution

The fourth proportional to 12,367,815.40, 18,552,644.70 and 4,388,602.60 is: 6,583,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,815.40 : 18,552,644.70 = 4,388,602.60 : x
  2. Step 2: Convert to fraction form
    12,367,815.40/18,552,644.70 = 4,388,602.60/x
  3. Step 3: Cross multiply
    12,367,815.40x = 18,552,644.70 × 4,388,602.60
  4. Step 4: Simplify right side
    12,367,815.40x = 81,420,184,767,296.20
  5. Step 5: Solve for x
    x = 81,420,184,767,296.20/12,367,815.40
  6. Step 6: Final answer
    x = 6,583,230.92

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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.