Home / 8,127,279.59-12,191,583.38-4,081,686.80

Finding the Fourth Proportional to 8,127,279.59, 12,191,583.38 and 4,081,686.80

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Solution

The fourth proportional to 8,127,279.59, 12,191,583.38 and 4,081,686.80 is: 6,122,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,279.59 : 12,191,583.38 = 4,081,686.80 : x
  2. Step 2: Convert to fraction form
    8,127,279.59/12,191,583.38 = 4,081,686.80/x
  3. Step 3: Cross multiply
    8,127,279.59x = 12,191,583.38 × 4,081,686.80
  4. Step 4: Simplify right side
    8,127,279.59x = 49,762,224,871,879.03
  5. Step 5: Solve for x
    x = 49,762,224,871,879.03/8,127,279.59
  6. Step 6: Final answer
    x = 6,122,863.67

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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.