Home / 10,068,684.40-15,105,213.60-3,678,926.50

Finding the Fourth Proportional to 10,068,684.40, 15,105,213.60 and 3,678,926.50

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Solution

The fourth proportional to 10,068,684.40, 15,105,213.60 and 3,678,926.50 is: 5,519,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068,684.40 : 15,105,213.60 = 3,678,926.50 : x
  2. Step 2: Convert to fraction form
    10,068,684.40/15,105,213.60 = 3,678,926.50/x
  3. Step 3: Cross multiply
    10,068,684.40x = 15,105,213.60 × 3,678,926.50
  4. Step 4: Simplify right side
    10,068,684.40x = 55,570,970,601,200.40
  5. Step 5: Solve for x
    x = 55,570,970,601,200.40/10,068,684.40
  6. Step 6: Final answer
    x = 5,519,188.84

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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.