Home / 18,821,869.70-25,959,536.90-13,614,412.20

Finding the Fourth Proportional to 18,821,869.70, 25,959,536.90 and 13,614,412.20

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Solution

The fourth proportional to 18,821,869.70, 25,959,536.90 and 13,614,412.20 is: 18,777,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,869.70 : 25,959,536.90 = 13,614,412.20 : x
  2. Step 2: Convert to fraction form
    18,821,869.70/25,959,536.90 = 13,614,412.20/x
  3. Step 3: Cross multiply
    18,821,869.70x = 25,959,536.90 × 13,614,412.20
  4. Step 4: Simplify right side
    18,821,869.70x = 353,423,835,877,710.12
  5. Step 5: Solve for x
    x = 353,423,835,877,710.12/18,821,869.70
  6. Step 6: Final answer
    x = 18,777,296.92

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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.