Home / 13,567,885.44-18,724,399.92-7,688,659.20

Finding the Fourth Proportional to 13,567,885.44, 18,724,399.92 and 7,688,659.20

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Solution

The fourth proportional to 13,567,885.44, 18,724,399.92 and 7,688,659.20 is: 10,610,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,885.44 : 18,724,399.92 = 7,688,659.20 : x
  2. Step 2: Convert to fraction form
    13,567,885.44/18,724,399.92 = 7,688,659.20/x
  3. Step 3: Cross multiply
    13,567,885.44x = 18,724,399.92 × 7,688,659.20
  4. Step 4: Simplify right side
    13,567,885.44x = 143,965,529,709,387.28
  5. Step 5: Solve for x
    x = 143,965,529,709,387.28/13,567,885.44
  6. Step 6: Final answer
    x = 10,610,756.58

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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.