Home / 28,595,580.41-42,869,262.57-12,409,338.26

Finding the Fourth Proportional to 28,595,580.41, 42,869,262.57 and 12,409,338.26

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Solution

The fourth proportional to 28,595,580.41, 42,869,262.57 and 12,409,338.26 is: 18,603,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595,580.41 : 42,869,262.57 = 12,409,338.26 : x
  2. Step 2: Convert to fraction form
    28,595,580.41/42,869,262.57 = 12,409,338.26/x
  3. Step 3: Cross multiply
    28,595,580.41x = 42,869,262.57 × 12,409,338.26
  4. Step 4: Simplify right side
    28,595,580.41x = 531,979,179,973,540.62
  5. Step 5: Solve for x
    x = 531,979,179,973,540.62/28,595,580.41
  6. Step 6: Final answer
    x = 18,603,545.46

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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.