Home / 22,500,879.03-31,051,214.09-12,187,602.12

Finding the Fourth Proportional to 22,500,879.03, 31,051,214.09 and 12,187,602.12

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Solution

The fourth proportional to 22,500,879.03, 31,051,214.09 and 12,187,602.12 is: 16,818,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,879.03 : 31,051,214.09 = 12,187,602.12 : x
  2. Step 2: Convert to fraction form
    22,500,879.03/31,051,214.09 = 12,187,602.12/x
  3. Step 3: Cross multiply
    22,500,879.03x = 31,051,214.09 × 12,187,602.12
  4. Step 4: Simplify right side
    22,500,879.03x = 378,439,842,610,919.88
  5. Step 5: Solve for x
    x = 378,439,842,610,919.88/22,500,879.03
  6. Step 6: Final answer
    x = 16,818,891.48

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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.