Home / 18,723,927.30-28,085,890.95-15,322,704.90

Finding the Fourth Proportional to 18,723,927.30, 28,085,890.95 and 15,322,704.90

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Solution

The fourth proportional to 18,723,927.30, 28,085,890.95 and 15,322,704.90 is: 22,984,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,927.30 : 28,085,890.95 = 15,322,704.90 : x
  2. Step 2: Convert to fraction form
    18,723,927.30/28,085,890.95 = 15,322,704.90/x
  3. Step 3: Cross multiply
    18,723,927.30x = 28,085,890.95 × 15,322,704.90
  4. Step 4: Simplify right side
    18,723,927.30x = 430,351,818,880,430.62
  5. Step 5: Solve for x
    x = 430,351,818,880,430.62/18,723,927.30
  6. Step 6: Final answer
    x = 22,984,057.35

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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.