Home / 20,614,541.58-30,920,675.13-8,480,934.36

Finding the Fourth Proportional to 20,614,541.58, 30,920,675.13 and 8,480,934.36

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Solution

The fourth proportional to 20,614,541.58, 30,920,675.13 and 8,480,934.36 is: 12,720,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,541.58 : 30,920,675.13 = 8,480,934.36 : x
  2. Step 2: Convert to fraction form
    20,614,541.58/30,920,675.13 = 8,480,934.36/x
  3. Step 3: Cross multiply
    20,614,541.58x = 30,920,675.13 × 8,480,934.36
  4. Step 4: Simplify right side
    20,614,541.58x = 262,236,216,144,414.44
  5. Step 5: Solve for x
    x = 262,236,216,144,414.44/20,614,541.58
  6. Step 6: Final answer
    x = 12,720,933.67

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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.