Home / 13,436,641.32-20,166,608.70-7,051,404.84

Finding the Fourth Proportional to 13,436,641.32, 20,166,608.70 and 7,051,404.84

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Solution

The fourth proportional to 13,436,641.32, 20,166,608.70 and 7,051,404.84 is: 10,583,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,641.32 : 20,166,608.70 = 7,051,404.84 : x
  2. Step 2: Convert to fraction form
    13,436,641.32/20,166,608.70 = 7,051,404.84/x
  3. Step 3: Cross multiply
    13,436,641.32x = 20,166,608.70 × 7,051,404.84
  4. Step 4: Simplify right side
    13,436,641.32x = 142,202,922,193,566.09
  5. Step 5: Solve for x
    x = 142,202,922,193,566.09/13,436,641.32
  6. Step 6: Final answer
    x = 10,583,219.33

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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.