Home / 12,020,362.72-18,036,463.57-5,629,511.32

Finding the Fourth Proportional to 12,020,362.72, 18,036,463.57 and 5,629,511.32

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Solution

The fourth proportional to 12,020,362.72, 18,036,463.57 and 5,629,511.32 is: 8,447,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,362.72 : 18,036,463.57 = 5,629,511.32 : x
  2. Step 2: Convert to fraction form
    12,020,362.72/18,036,463.57 = 5,629,511.32/x
  3. Step 3: Cross multiply
    12,020,362.72x = 18,036,463.57 × 5,629,511.32
  4. Step 4: Simplify right side
    12,020,362.72x = 101,536,475,780,917.67
  5. Step 5: Solve for x
    x = 101,536,475,780,917.67/12,020,362.72
  6. Step 6: Final answer
    x = 8,447,039.26

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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.