Home / 19,646,999.70-29,470,499.55-12,078,230.10

Finding the Fourth Proportional to 19,646,999.70, 29,470,499.55 and 12,078,230.10

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Solution

The fourth proportional to 19,646,999.70, 29,470,499.55 and 12,078,230.10 is: 18,117,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646,999.70 : 29,470,499.55 = 12,078,230.10 : x
  2. Step 2: Convert to fraction form
    19,646,999.70/29,470,499.55 = 12,078,230.10/x
  3. Step 3: Cross multiply
    19,646,999.70x = 29,470,499.55 × 12,078,230.10
  4. Step 4: Simplify right side
    19,646,999.70x = 355,951,474,726,846.44
  5. Step 5: Solve for x
    x = 355,951,474,726,846.44/19,646,999.70
  6. Step 6: Final answer
    x = 18,117,345.15

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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.