Home / 18,666,181.17-28,009,310.13-17,986,760.85

Finding the Fourth Proportional to 18,666,181.17, 28,009,310.13 and 17,986,760.85

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Solution

The fourth proportional to 18,666,181.17, 28,009,310.13 and 17,986,760.85 is: 26,989,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666,181.17 : 28,009,310.13 = 17,986,760.85 : x
  2. Step 2: Convert to fraction form
    18,666,181.17/28,009,310.13 = 17,986,760.85/x
  3. Step 3: Cross multiply
    18,666,181.17x = 28,009,310.13 × 17,986,760.85
  4. Step 4: Simplify right side
    18,666,181.17x = 503,796,762,881,792.44
  5. Step 5: Solve for x
    x = 503,796,762,881,792.44/18,666,181.17
  6. Step 6: Final answer
    x = 26,989,814.27

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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.