Home / 31,984,905.60-47,977,320.96-10,419,472.80

Finding the Fourth Proportional to 31,984,905.60, 47,977,320.96 and 10,419,472.80

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Solution

The fourth proportional to 31,984,905.60, 47,977,320.96 and 10,419,472.80 is: 15,629,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,905.60 : 47,977,320.96 = 10,419,472.80 : x
  2. Step 2: Convert to fraction form
    31,984,905.60/47,977,320.96 = 10,419,472.80/x
  3. Step 3: Cross multiply
    31,984,905.60x = 47,977,320.96 × 10,419,472.80
  4. Step 4: Simplify right side
    31,984,905.60x = 499,898,390,759,589.94
  5. Step 5: Solve for x
    x = 499,898,390,759,589.94/31,984,905.60
  6. Step 6: Final answer
    x = 15,629,197.00

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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.