Home / 31,889,977.56-47,823,156.36-10,318,984.20

Finding the Fourth Proportional to 31,889,977.56, 47,823,156.36 and 10,318,984.20

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Solution

The fourth proportional to 31,889,977.56, 47,823,156.36 and 10,318,984.20 is: 15,474,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889,977.56 : 47,823,156.36 = 10,318,984.20 : x
  2. Step 2: Convert to fraction form
    31,889,977.56/47,823,156.36 = 10,318,984.20/x
  3. Step 3: Cross multiply
    31,889,977.56x = 47,823,156.36 × 10,318,984.20
  4. Step 4: Simplify right side
    31,889,977.56x = 493,486,394,872,969.50
  5. Step 5: Solve for x
    x = 493,486,394,872,969.50/31,889,977.56
  6. Step 6: Final answer
    x = 15,474,654.82

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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.