Home / 28,489,591.42-39,315,670.90-15,436,840.04

Finding the Fourth Proportional to 28,489,591.42, 39,315,670.90 and 15,436,840.04

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Solution

The fourth proportional to 28,489,591.42, 39,315,670.90 and 15,436,840.04 is: 21,302,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,591.42 : 39,315,670.90 = 15,436,840.04 : x
  2. Step 2: Convert to fraction form
    28,489,591.42/39,315,670.90 = 15,436,840.04/x
  3. Step 3: Cross multiply
    28,489,591.42x = 39,315,670.90 × 15,436,840.04
  4. Step 4: Simplify right side
    28,489,591.42x = 606,909,722,688,885.75
  5. Step 5: Solve for x
    x = 606,909,722,688,885.75/28,489,591.42
  6. Step 6: Final answer
    x = 21,302,858.08

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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.