Home / 8,971,453.36-13,456,529.28-3,505,520.72

Finding the Fourth Proportional to 8,971,453.36, 13,456,529.28 and 3,505,520.72

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Solution

The fourth proportional to 8,971,453.36, 13,456,529.28 and 3,505,520.72 is: 5,258,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,453.36 : 13,456,529.28 = 3,505,520.72 : x
  2. Step 2: Convert to fraction form
    8,971,453.36/13,456,529.28 = 3,505,520.72/x
  3. Step 3: Cross multiply
    8,971,453.36x = 13,456,529.28 × 3,505,520.72
  4. Step 4: Simplify right side
    8,971,453.36x = 47,172,142,210,326.68
  5. Step 5: Solve for x
    x = 47,172,142,210,326.68/8,971,453.36
  6. Step 6: Final answer
    x = 5,258,026.80

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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.