Home / 18,562,032.28-27,844,389.78-7,768,472.86

Finding the Fourth Proportional to 18,562,032.28, 27,844,389.78 and 7,768,472.86

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Solution

The fourth proportional to 18,562,032.28, 27,844,389.78 and 7,768,472.86 is: 11,653,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,032.28 : 27,844,389.78 = 7,768,472.86 : x
  2. Step 2: Convert to fraction form
    18,562,032.28/27,844,389.78 = 7,768,472.86/x
  3. Step 3: Cross multiply
    18,562,032.28x = 27,844,389.78 × 7,768,472.86
  4. Step 4: Simplify right side
    18,562,032.28x = 216,308,386,309,191.38
  5. Step 5: Solve for x
    x = 216,308,386,309,191.38/18,562,032.28
  6. Step 6: Final answer
    x = 11,653,270.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.