Home / 8,561,807.12-12,840,745.43-5,104,525.07

Finding the Fourth Proportional to 8,561,807.12, 12,840,745.43 and 5,104,525.07

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Solution

The fourth proportional to 8,561,807.12, 12,840,745.43 and 5,104,525.07 is: 7,655,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,807.12 : 12,840,745.43 = 5,104,525.07 : x
  2. Step 2: Convert to fraction form
    8,561,807.12/12,840,745.43 = 5,104,525.07/x
  3. Step 3: Cross multiply
    8,561,807.12x = 12,840,745.43 × 5,104,525.07
  4. Step 4: Simplify right side
    8,561,807.12x = 65,545,906,875,196.59
  5. Step 5: Solve for x
    x = 65,545,906,875,196.59/8,561,807.12
  6. Step 6: Final answer
    x = 7,655,615.92

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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.