Home / 23,171,073.89-31,977,576.65-12,857,796.98

Finding the Fourth Proportional to 23,171,073.89, 31,977,576.65 and 12,857,796.98

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Solution

The fourth proportional to 23,171,073.89, 31,977,576.65 and 12,857,796.98 is: 17,744,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171,073.89 : 31,977,576.65 = 12,857,796.98 : x
  2. Step 2: Convert to fraction form
    23,171,073.89/31,977,576.65 = 12,857,796.98/x
  3. Step 3: Cross multiply
    23,171,073.89x = 31,977,576.65 × 12,857,796.98
  4. Step 4: Simplify right side
    23,171,073.89x = 411,161,188,577,809.81
  5. Step 5: Solve for x
    x = 411,161,188,577,809.81/23,171,073.89
  6. Step 6: Final answer
    x = 17,744,589.25

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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.