Home / 13,673,587.14-18,867,453.98-7,871,247.72

Finding the Fourth Proportional to 13,673,587.14, 18,867,453.98 and 7,871,247.72

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Solution

The fourth proportional to 13,673,587.14, 18,867,453.98 and 7,871,247.72 is: 10,861,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,587.14 : 18,867,453.98 = 7,871,247.72 : x
  2. Step 2: Convert to fraction form
    13,673,587.14/18,867,453.98 = 7,871,247.72/x
  3. Step 3: Cross multiply
    13,673,587.14x = 18,867,453.98 × 7,871,247.72
  4. Step 4: Simplify right side
    13,673,587.14x = 148,510,404,122,279.94
  5. Step 5: Solve for x
    x = 148,510,404,122,279.94/13,673,587.14
  6. Step 6: Final answer
    x = 10,861,115.13

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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.