Home / 20,188,124.55-30,286,123.43-8,673,569.55

Finding the Fourth Proportional to 20,188,124.55, 30,286,123.43 and 8,673,569.55

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Solution

The fourth proportional to 20,188,124.55, 30,286,123.43 and 8,673,569.55 is: 13,012,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,124.55 : 30,286,123.43 = 8,673,569.55 : x
  2. Step 2: Convert to fraction form
    20,188,124.55/30,286,123.43 = 8,673,569.55/x
  3. Step 3: Cross multiply
    20,188,124.55x = 30,286,123.43 × 8,673,569.55
  4. Step 4: Simplify right side
    20,188,124.55x = 262,688,797,926,621.75
  5. Step 5: Solve for x
    x = 262,688,797,926,621.75/20,188,124.55
  6. Step 6: Final answer
    x = 13,012,045.63

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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.