Home / 13,516,065.72-18,652,842.72-8,362,107

Finding the Fourth Proportional to 13,516,065.72, 18,652,842.72 and 8,362,107

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Solution

The fourth proportional to 13,516,065.72, 18,652,842.72 and 8,362,107 is: 11,540,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,065.72 : 18,652,842.72 = 8,362,107 : x
  2. Step 2: Convert to fraction form
    13,516,065.72/18,652,842.72 = 8,362,107/x
  3. Step 3: Cross multiply
    13,516,065.72x = 18,652,842.72 × 8,362,107
  4. Step 4: Simplify right side
    13,516,065.72x = 155,977,066,678,811.03
  5. Step 5: Solve for x
    x = 155,977,066,678,811.03/13,516,065.72
  6. Step 6: Final answer
    x = 11,540,123.43

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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.