Home / 12,308,821.00-18,446,727.80-9,579,663.91

Finding the Fourth Proportional to 12,308,821.00, 18,446,727.80 and 9,579,663.91

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Solution

The fourth proportional to 12,308,821.00, 18,446,727.80 and 9,579,663.91 is: 14,356,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,821.00 : 18,446,727.80 = 9,579,663.91 : x
  2. Step 2: Convert to fraction form
    12,308,821.00/18,446,727.80 = 9,579,663.91/x
  3. Step 3: Cross multiply
    12,308,821.00x = 18,446,727.80 × 9,579,663.91
  4. Step 4: Simplify right side
    12,308,821.00x = 176,713,452,423,121.75
  5. Step 5: Solve for x
    x = 176,713,452,423,121.75/12,308,821.00
  6. Step 6: Final answer
    x = 14,356,651.42

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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.