Home / 31,928,131.80-47,892,197.70-19,163,050.20

Finding the Fourth Proportional to 31,928,131.80, 47,892,197.70 and 19,163,050.20

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Solution

The fourth proportional to 31,928,131.80, 47,892,197.70 and 19,163,050.20 is: 28,744,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928,131.80 : 47,892,197.70 = 19,163,050.20 : x
  2. Step 2: Convert to fraction form
    31,928,131.80/47,892,197.70 = 19,163,050.20/x
  3. Step 3: Cross multiply
    31,928,131.80x = 47,892,197.70 × 19,163,050.20
  4. Step 4: Simplify right side
    31,928,131.80x = 917,760,588,713,424.50
  5. Step 5: Solve for x
    x = 917,760,588,713,424.50/31,928,131.80
  6. Step 6: Final answer
    x = 28,744,575.30

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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.