Home / 18,701,345.28-25,807,605.12-10,441,534.08

Finding the Fourth Proportional to 18,701,345.28, 25,807,605.12 and 10,441,534.08

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Solution

The fourth proportional to 18,701,345.28, 25,807,605.12 and 10,441,534.08 is: 14,409,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,345.28 : 25,807,605.12 = 10,441,534.08 : x
  2. Step 2: Convert to fraction form
    18,701,345.28/25,807,605.12 = 10,441,534.08/x
  3. Step 3: Cross multiply
    18,701,345.28x = 25,807,605.12 × 10,441,534.08
  4. Step 4: Simplify right side
    18,701,345.28x = 269,470,988,383,662.50
  5. Step 5: Solve for x
    x = 269,470,988,383,662.50/18,701,345.28
  6. Step 6: Final answer
    x = 14,409,176.68

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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.