Home / 20,808,022.80-31,212,034.20-8,864,086.80

Finding the Fourth Proportional to 20,808,022.80, 31,212,034.20 and 8,864,086.80

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Solution

The fourth proportional to 20,808,022.80, 31,212,034.20 and 8,864,086.80 is: 13,296,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,022.80 : 31,212,034.20 = 8,864,086.80 : x
  2. Step 2: Convert to fraction form
    20,808,022.80/31,212,034.20 = 8,864,086.80/x
  3. Step 3: Cross multiply
    20,808,022.80x = 31,212,034.20 × 8,864,086.80
  4. Step 4: Simplify right side
    20,808,022.80x = 276,666,180,353,368.56
  5. Step 5: Solve for x
    x = 276,666,180,353,368.56/20,808,022.80
  6. Step 6: Final answer
    x = 13,296,130.20

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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.