Home / 19,886,145.69-27,455,488.86-13,617,162.44

Finding the Fourth Proportional to 19,886,145.69, 27,455,488.86 and 13,617,162.44

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Solution

The fourth proportional to 19,886,145.69, 27,455,488.86 and 13,617,162.44 is: 18,800,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886,145.69 : 27,455,488.86 = 13,617,162.44 : x
  2. Step 2: Convert to fraction form
    19,886,145.69/27,455,488.86 = 13,617,162.44/x
  3. Step 3: Cross multiply
    19,886,145.69x = 27,455,488.86 × 13,617,162.44
  4. Step 4: Simplify right side
    19,886,145.69x = 373,865,851,676,230.38
  5. Step 5: Solve for x
    x = 373,865,851,676,230.38/19,886,145.69
  6. Step 6: Final answer
    x = 18,800,317.44

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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.