Home / 18,444,468.80-27,666,703.20-12,944,054.45

Finding the Fourth Proportional to 18,444,468.80, 27,666,703.20 and 12,944,054.45

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Solution

The fourth proportional to 18,444,468.80, 27,666,703.20 and 12,944,054.45 is: 19,416,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,468.80 : 27,666,703.20 = 12,944,054.45 : x
  2. Step 2: Convert to fraction form
    18,444,468.80/27,666,703.20 = 12,944,054.45/x
  3. Step 3: Cross multiply
    18,444,468.80x = 27,666,703.20 × 12,944,054.45
  4. Step 4: Simplify right side
    18,444,468.80x = 358,119,312,672,789.19
  5. Step 5: Solve for x
    x = 358,119,312,672,789.19/18,444,468.80
  6. Step 6: Final answer
    x = 19,416,081.68

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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.