Home / 18,700,485.40-25,804,703.91-10,858,464.73

Finding the Fourth Proportional to 18,700,485.40, 25,804,703.91 and 10,858,464.73

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Solution

The fourth proportional to 18,700,485.40, 25,804,703.91 and 10,858,464.73 is: 14,983,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,485.40 : 25,804,703.91 = 10,858,464.73 : x
  2. Step 2: Convert to fraction form
    18,700,485.40/25,804,703.91 = 10,858,464.73/x
  3. Step 3: Cross multiply
    18,700,485.40x = 25,804,703.91 × 10,858,464.73
  4. Step 4: Simplify right side
    18,700,485.40x = 280,199,467,274,828.09
  5. Step 5: Solve for x
    x = 280,199,467,274,828.09/18,700,485.40
  6. Step 6: Final answer
    x = 14,983,539.80

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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.