Home / 18,327,076.48-25,291,424.64-10,178,314.48

Finding the Fourth Proportional to 18,327,076.48, 25,291,424.64 and 10,178,314.48

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Solution

The fourth proportional to 18,327,076.48, 25,291,424.64 and 10,178,314.48 is: 14,046,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,076.48 : 25,291,424.64 = 10,178,314.48 : x
  2. Step 2: Convert to fraction form
    18,327,076.48/25,291,424.64 = 10,178,314.48/x
  3. Step 3: Cross multiply
    18,327,076.48x = 25,291,424.64 × 10,178,314.48
  4. Step 4: Simplify right side
    18,327,076.48x = 257,424,073,633,140.81
  5. Step 5: Solve for x
    x = 257,424,073,633,140.81/18,327,076.48
  6. Step 6: Final answer
    x = 14,046,106.80

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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.