Home / 28,546,632.53-39,393,299.16-15,493,611.18

Finding the Fourth Proportional to 28,546,632.53, 39,393,299.16 and 15,493,611.18

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Solution

The fourth proportional to 28,546,632.53, 39,393,299.16 and 15,493,611.18 is: 21,380,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,632.53 : 39,393,299.16 = 15,493,611.18 : x
  2. Step 2: Convert to fraction form
    28,546,632.53/39,393,299.16 = 15,493,611.18/x
  3. Step 3: Cross multiply
    28,546,632.53x = 39,393,299.16 × 15,493,611.18
  4. Step 4: Simplify right side
    28,546,632.53x = 610,344,460,282,460.50
  5. Step 5: Solve for x
    x = 610,344,460,282,460.50/28,546,632.53
  6. Step 6: Final answer
    x = 21,380,611.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.