Home / 16,919,456.94-25,388,783.96-9,138,274.97

Finding the Fourth Proportional to 16,919,456.94, 25,388,783.96 and 9,138,274.97

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Solution

The fourth proportional to 16,919,456.94, 25,388,783.96 and 9,138,274.97 is: 13,712,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919,456.94 : 25,388,783.96 = 9,138,274.97 : x
  2. Step 2: Convert to fraction form
    16,919,456.94/25,388,783.96 = 9,138,274.97/x
  3. Step 3: Cross multiply
    16,919,456.94x = 25,388,783.96 × 9,138,274.97
  4. Step 4: Simplify right side
    16,919,456.94x = 232,009,688,807,770.16
  5. Step 5: Solve for x
    x = 232,009,688,807,770.16/16,919,456.94
  6. Step 6: Final answer
    x = 13,712,596.66

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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.