Home / 20,722,199.40-31,083,299.10-19,395,095.40

Finding the Fourth Proportional to 20,722,199.40, 31,083,299.10 and 19,395,095.40

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Solution

The fourth proportional to 20,722,199.40, 31,083,299.10 and 19,395,095.40 is: 29,092,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,199.40 : 31,083,299.10 = 19,395,095.40 : x
  2. Step 2: Convert to fraction form
    20,722,199.40/31,083,299.10 = 19,395,095.40/x
  3. Step 3: Cross multiply
    20,722,199.40x = 31,083,299.10 × 19,395,095.40
  4. Step 4: Simplify right side
    20,722,199.40x = 602,863,551,391,234.12
  5. Step 5: Solve for x
    x = 602,863,551,391,234.12/20,722,199.40
  6. Step 6: Final answer
    x = 29,092,643.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.