Home / 10,290,740.37-14,201,123.07-5,644,428.90

Finding the Fourth Proportional to 10,290,740.37, 14,201,123.07 and 5,644,428.90

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Solution

The fourth proportional to 10,290,740.37, 14,201,123.07 and 5,644,428.90 is: 7,789,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,740.37 : 14,201,123.07 = 5,644,428.90 : x
  2. Step 2: Convert to fraction form
    10,290,740.37/14,201,123.07 = 5,644,428.90/x
  3. Step 3: Cross multiply
    10,290,740.37x = 14,201,123.07 × 5,644,428.90
  4. Step 4: Simplify right side
    10,290,740.37x = 80,157,229,468,764.73
  5. Step 5: Solve for x
    x = 80,157,229,468,764.73/10,290,740.37
  6. Step 6: Final answer
    x = 7,789,257.78

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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.