Home / 31,493,353.80-47,240,030.70-15,568,105.80

Finding the Fourth Proportional to 31,493,353.80, 47,240,030.70 and 15,568,105.80

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Solution

The fourth proportional to 31,493,353.80, 47,240,030.70 and 15,568,105.80 is: 23,352,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493,353.80 : 47,240,030.70 = 15,568,105.80 : x
  2. Step 2: Convert to fraction form
    31,493,353.80/47,240,030.70 = 15,568,105.80/x
  3. Step 3: Cross multiply
    31,493,353.80x = 47,240,030.70 × 15,568,105.80
  4. Step 4: Simplify right side
    31,493,353.80x = 735,437,795,932,848.12
  5. Step 5: Solve for x
    x = 735,437,795,932,848.12/31,493,353.80
  6. Step 6: Final answer
    x = 23,352,158.70

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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.