Home / 18,825,126.53-25,971,943.77-11,856,237.35

Finding the Fourth Proportional to 18,825,126.53, 25,971,943.77 and 11,856,237.35

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Solution

The fourth proportional to 18,825,126.53, 25,971,943.77 and 11,856,237.35 is: 16,357,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,126.53 : 25,971,943.77 = 11,856,237.35 : x
  2. Step 2: Convert to fraction form
    18,825,126.53/25,971,943.77 = 11,856,237.35/x
  3. Step 3: Cross multiply
    18,825,126.53x = 25,971,943.77 × 11,856,237.35
  4. Step 4: Simplify right side
    18,825,126.53x = 307,929,529,648,114.12
  5. Step 5: Solve for x
    x = 307,929,529,648,114.12/18,825,126.53
  6. Step 6: Final answer
    x = 16,357,368.39

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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.