Home / 20,728,106.34-31,091,037.98-6,351,215.76

Finding the Fourth Proportional to 20,728,106.34, 31,091,037.98 and 6,351,215.76

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Solution

The fourth proportional to 20,728,106.34, 31,091,037.98 and 6,351,215.76 is: 9,526,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728,106.34 : 31,091,037.98 = 6,351,215.76 : x
  2. Step 2: Convert to fraction form
    20,728,106.34/31,091,037.98 = 6,351,215.76/x
  3. Step 3: Cross multiply
    20,728,106.34x = 31,091,037.98 × 6,351,215.76
  4. Step 4: Simplify right side
    20,728,106.34x = 197,465,890,429,212.59
  5. Step 5: Solve for x
    x = 197,465,890,429,212.59/20,728,106.34
  6. Step 6: Final answer
    x = 9,526,480.00

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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.