Home / 13,263,412.80-19,905,616.80-5,180,260.80

Finding the Fourth Proportional to 13,263,412.80, 19,905,616.80 and 5,180,260.80

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Solution

The fourth proportional to 13,263,412.80, 19,905,616.80 and 5,180,260.80 is: 7,774,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,412.80 : 19,905,616.80 = 5,180,260.80 : x
  2. Step 2: Convert to fraction form
    13,263,412.80/19,905,616.80 = 5,180,260.80/x
  3. Step 3: Cross multiply
    13,263,412.80x = 19,905,616.80 × 5,180,260.80
  4. Step 4: Simplify right side
    13,263,412.80x = 103,116,286,408,861.44
  5. Step 5: Solve for x
    x = 103,116,286,408,861.44/13,263,412.80
  6. Step 6: Final answer
    x = 7,774,491.22

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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.