Home / 31,776,148.21-43,849,793.32-18,024,817.09

Finding the Fourth Proportional to 31,776,148.21, 43,849,793.32 and 18,024,817.09

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Solution

The fourth proportional to 31,776,148.21, 43,849,793.32 and 18,024,817.09 is: 24,873,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,148.21 : 43,849,793.32 = 18,024,817.09 : x
  2. Step 2: Convert to fraction form
    31,776,148.21/43,849,793.32 = 18,024,817.09/x
  3. Step 3: Cross multiply
    31,776,148.21x = 43,849,793.32 × 18,024,817.09
  4. Step 4: Simplify right side
    31,776,148.21x = 790,384,504,027,303.88
  5. Step 5: Solve for x
    x = 790,384,504,027,303.88/31,776,148.21
  6. Step 6: Final answer
    x = 24,873,515.15

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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.