Home / 18,622,625.86-25,684,664.78-12,098,357.42

Finding the Fourth Proportional to 18,622,625.86, 25,684,664.78 and 12,098,357.42

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Solution

The fourth proportional to 18,622,625.86, 25,684,664.78 and 12,098,357.42 is: 16,686,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,625.86 : 25,684,664.78 = 12,098,357.42 : x
  2. Step 2: Convert to fraction form
    18,622,625.86/25,684,664.78 = 12,098,357.42/x
  3. Step 3: Cross multiply
    18,622,625.86x = 25,684,664.78 × 12,098,357.42
  4. Step 4: Simplify right side
    18,622,625.86x = 310,742,254,815,783.19
  5. Step 5: Solve for x
    x = 310,742,254,815,783.19/18,622,625.86
  6. Step 6: Final answer
    x = 16,686,274.92

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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.