Home / 20,804,493.40-31,206,837.30-7,341,321.40

Finding the Fourth Proportional to 20,804,493.40, 31,206,837.30 and 7,341,321.40

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Solution

The fourth proportional to 20,804,493.40, 31,206,837.30 and 7,341,321.40 is: 11,012,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,493.40 : 31,206,837.30 = 7,341,321.40 : x
  2. Step 2: Convert to fraction form
    20,804,493.40/31,206,837.30 = 7,341,321.40/x
  3. Step 3: Cross multiply
    20,804,493.40x = 31,206,837.30 × 7,341,321.40
  4. Step 4: Simplify right side
    20,804,493.40x = 229,099,422,496,808.25
  5. Step 5: Solve for x
    x = 229,099,422,496,808.25/20,804,493.40
  6. Step 6: Final answer
    x = 11,012,016.40

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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.