Home / 19,029,809.21-28,538,316.23-6,896,732.94

Finding the Fourth Proportional to 19,029,809.21, 28,538,316.23 and 6,896,732.94

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Solution

The fourth proportional to 19,029,809.21, 28,538,316.23 and 6,896,732.94 is: 10,342,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029,809.21 : 28,538,316.23 = 6,896,732.94 : x
  2. Step 2: Convert to fraction form
    19,029,809.21/28,538,316.23 = 6,896,732.94/x
  3. Step 3: Cross multiply
    19,029,809.21x = 28,538,316.23 × 6,896,732.94
  4. Step 4: Simplify right side
    19,029,809.21x = 196,821,145,561,093.97
  5. Step 5: Solve for x
    x = 196,821,145,561,093.97/19,029,809.21
  6. Step 6: Final answer
    x = 10,342,780.82

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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.