Home / 28,361,478.21-42,543,725.87-8,932,223.62

Finding the Fourth Proportional to 28,361,478.21, 42,543,725.87 and 8,932,223.62

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Solution

The fourth proportional to 28,361,478.21, 42,543,725.87 and 8,932,223.62 is: 13,398,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,478.21 : 42,543,725.87 = 8,932,223.62 : x
  2. Step 2: Convert to fraction form
    28,361,478.21/42,543,725.87 = 8,932,223.62/x
  3. Step 3: Cross multiply
    28,361,478.21x = 42,543,725.87 × 8,932,223.62
  4. Step 4: Simplify right side
    28,361,478.21x = 380,010,073,098,819
  5. Step 5: Solve for x
    x = 380,010,073,098,819/28,361,478.21
  6. Step 6: Final answer
    x = 13,398,810.54

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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.