Home / 20,211,011.34-30,316,648.23-8,081,493.81

Finding the Fourth Proportional to 20,211,011.34, 30,316,648.23 and 8,081,493.81

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Solution

The fourth proportional to 20,211,011.34, 30,316,648.23 and 8,081,493.81 is: 12,122,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,011.34 : 30,316,648.23 = 8,081,493.81 : x
  2. Step 2: Convert to fraction form
    20,211,011.34/30,316,648.23 = 8,081,493.81/x
  3. Step 3: Cross multiply
    20,211,011.34x = 30,316,648.23 × 8,081,493.81
  4. Step 4: Simplify right side
    20,211,011.34x = 245,003,805,010,692.44
  5. Step 5: Solve for x
    x = 245,003,805,010,692.44/20,211,011.34
  6. Step 6: Final answer
    x = 12,122,293.18

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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.