Home / 14,511,078.70-20,024,688.20-7,895,694.38

Finding the Fourth Proportional to 14,511,078.70, 20,024,688.20 and 7,895,694.38

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Solution

The fourth proportional to 14,511,078.70, 20,024,688.20 and 7,895,694.38 is: 10,895,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511,078.70 : 20,024,688.20 = 7,895,694.38 : x
  2. Step 2: Convert to fraction form
    14,511,078.70/20,024,688.20 = 7,895,694.38/x
  3. Step 3: Cross multiply
    14,511,078.70x = 20,024,688.20 × 7,895,694.38
  4. Step 4: Simplify right side
    14,511,078.70x = 158,108,817,986,803.69
  5. Step 5: Solve for x
    x = 158,108,817,986,803.69/14,511,078.70
  6. Step 6: Final answer
    x = 10,895,731.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.