Home / 13,457,121.36-20,178,588.48-5,875,229.76

Finding the Fourth Proportional to 13,457,121.36, 20,178,588.48 and 5,875,229.76

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Solution

The fourth proportional to 13,457,121.36, 20,178,588.48 and 5,875,229.76 is: 8,809,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,121.36 : 20,178,588.48 = 5,875,229.76 : x
  2. Step 2: Convert to fraction form
    13,457,121.36/20,178,588.48 = 5,875,229.76/x
  3. Step 3: Cross multiply
    13,457,121.36x = 20,178,588.48 × 5,875,229.76
  4. Step 4: Simplify right side
    13,457,121.36x = 118,553,843,552,489.16
  5. Step 5: Solve for x
    x = 118,553,843,552,489.16/13,457,121.36
  6. Step 6: Final answer
    x = 8,809,747.67

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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.