Home / 10,068,683.90-15,105,212.85-3,678,926

Finding the Fourth Proportional to 10,068,683.90, 15,105,212.85 and 3,678,926

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Solution

The fourth proportional to 10,068,683.90, 15,105,212.85 and 3,678,926 is: 5,519,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068,683.90 : 15,105,212.85 = 3,678,926 : x
  2. Step 2: Convert to fraction form
    10,068,683.90/15,105,212.85 = 3,678,926/x
  3. Step 3: Cross multiply
    10,068,683.90x = 15,105,212.85 × 3,678,926
  4. Step 4: Simplify right side
    10,068,683.90x = 55,570,960,289,399.10
  5. Step 5: Solve for x
    x = 55,570,960,289,399.10/10,068,683.90
  6. Step 6: Final answer
    x = 5,519,188.09

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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.