Home / 14,991,321.65-20,691,439.13-9,755,102.03

Finding the Fourth Proportional to 14,991,321.65, 20,691,439.13 and 9,755,102.03

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Solution

The fourth proportional to 14,991,321.65, 20,691,439.13 and 9,755,102.03 is: 13,464,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,321.65 : 20,691,439.13 = 9,755,102.03 : x
  2. Step 2: Convert to fraction form
    14,991,321.65/20,691,439.13 = 9,755,102.03/x
  3. Step 3: Cross multiply
    14,991,321.65x = 20,691,439.13 × 9,755,102.03
  4. Step 4: Simplify right side
    14,991,321.65x = 201,847,099,781,615
  5. Step 5: Solve for x
    x = 201,847,099,781,615/14,991,321.65
  6. Step 6: Final answer
    x = 13,464,263.16

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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.