Home / 12,822,845.60-19,234,268.40-8,045,271.20

Finding the Fourth Proportional to 12,822,845.60, 19,234,268.40 and 8,045,271.20

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Solution

The fourth proportional to 12,822,845.60, 19,234,268.40 and 8,045,271.20 is: 12,067,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,845.60 : 19,234,268.40 = 8,045,271.20 : x
  2. Step 2: Convert to fraction form
    12,822,845.60/19,234,268.40 = 8,045,271.20/x
  3. Step 3: Cross multiply
    12,822,845.60x = 19,234,268.40 × 8,045,271.20
  4. Step 4: Simplify right side
    12,822,845.60x = 154,744,905,611,590.06
  5. Step 5: Solve for x
    x = 154,744,905,611,590.06/12,822,845.60
  6. Step 6: Final answer
    x = 12,067,906.80

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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.